Home / 1,572,564.30-2,358,846.45-390,612.30

Finding the Fourth Proportional to 1,572,564.30, 2,358,846.45 and 390,612.30

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Solution

The fourth proportional to 1,572,564.30, 2,358,846.45 and 390,612.30 is: 585,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,564.30 : 2,358,846.45 = 390,612.30 : x
  2. Step 2: Convert to fraction form
    1,572,564.30/2,358,846.45 = 390,612.30/x
  3. Step 3: Cross multiply
    1,572,564.30x = 2,358,846.45 × 390,612.30
  4. Step 4: Simplify right side
    1,572,564.30x = 921,394,437,181.34
  5. Step 5: Solve for x
    x = 921,394,437,181.34/1,572,564.30
  6. Step 6: Final answer
    x = 585,918.45

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Half scale
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Double scale
Find fourth proportional to 1,572,565.30, 2,358,847.95 and 390,613.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.