Home / 1,010,371.55-1,515,557.33-411,024.20

Finding the Fourth Proportional to 1,010,371.55, 1,515,557.33 and 411,024.20

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Solution

The fourth proportional to 1,010,371.55, 1,515,557.33 and 411,024.20 is: 616,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,371.55 : 1,515,557.33 = 411,024.20 : x
  2. Step 2: Convert to fraction form
    1,010,371.55/1,515,557.33 = 411,024.20/x
  3. Step 3: Cross multiply
    1,010,371.55x = 1,515,557.33 × 411,024.20
  4. Step 4: Simplify right side
    1,010,371.55x = 622,930,737,062.27
  5. Step 5: Solve for x
    x = 622,930,737,062.27/1,010,371.55
  6. Step 6: Final answer
    x = 616,536.30

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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.