Home / 862,547.96-1,293,294.90-413,406.20

Finding the Fourth Proportional to 862,547.96, 1,293,294.90 and 413,406.20

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Solution

The fourth proportional to 862,547.96, 1,293,294.90 and 413,406.20 is: 619,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,547.96 : 1,293,294.90 = 413,406.20 : x
  2. Step 2: Convert to fraction form
    862,547.96/1,293,294.90 = 413,406.20/x
  3. Step 3: Cross multiply
    862,547.96x = 1,293,294.90 × 413,406.20
  4. Step 4: Simplify right side
    862,547.96x = 534,656,130,088.38
  5. Step 5: Solve for x
    x = 534,656,130,088.38/862,547.96
  6. Step 6: Final answer
    x = 619,856.70

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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.