Home / 862,545.96-1,293,291.90-413,404.20

Finding the Fourth Proportional to 862,545.96, 1,293,291.90 and 413,404.20

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Solution

The fourth proportional to 862,545.96, 1,293,291.90 and 413,404.20 is: 619,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,545.96 : 1,293,291.90 = 413,404.20 : x
  2. Step 2: Convert to fraction form
    862,545.96/1,293,291.90 = 413,404.20/x
  3. Step 3: Cross multiply
    862,545.96x = 1,293,291.90 × 413,404.20
  4. Step 4: Simplify right side
    862,545.96x = 534,652,303,285.98
  5. Step 5: Solve for x
    x = 534,652,303,285.98/862,545.96
  6. Step 6: Final answer
    x = 619,853.70

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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.