Home / 1,010,372.80-1,515,559.20-411,025.45

Finding the Fourth Proportional to 1,010,372.80, 1,515,559.20 and 411,025.45

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Solution

The fourth proportional to 1,010,372.80, 1,515,559.20 and 411,025.45 is: 616,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,372.80 : 1,515,559.20 = 411,025.45 : x
  2. Step 2: Convert to fraction form
    1,010,372.80/1,515,559.20 = 411,025.45/x
  3. Step 3: Cross multiply
    1,010,372.80x = 1,515,559.20 × 411,025.45
  4. Step 4: Simplify right side
    1,010,372.80x = 622,933,402,181.64
  5. Step 5: Solve for x
    x = 622,933,402,181.64/1,010,372.80
  6. Step 6: Final answer
    x = 616,538.18

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Double scale
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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.