Home / 1,064,710.98-1,596,850.20-390,563.10

Finding the Fourth Proportional to 1,064,710.98, 1,596,850.20 and 390,563.10

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Solution

The fourth proportional to 1,064,710.98, 1,596,850.20 and 390,563.10 is: 585,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,710.98 : 1,596,850.20 = 390,563.10 : x
  2. Step 2: Convert to fraction form
    1,064,710.98/1,596,850.20 = 390,563.10/x
  3. Step 3: Cross multiply
    1,064,710.98x = 1,596,850.20 × 390,563.10
  4. Step 4: Simplify right side
    1,064,710.98x = 623,670,764,347.62
  5. Step 5: Solve for x
    x = 623,670,764,347.62/1,064,710.98
  6. Step 6: Final answer
    x = 585,765.32

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Double scale
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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.