Home / 862,593.40-1,294,278.90-413,140.60

Finding the Fourth Proportional to 862,593.40, 1,294,278.90 and 413,140.60

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Solution

The fourth proportional to 862,593.40, 1,294,278.90 and 413,140.60 is: 619,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,593.40 : 1,294,278.90 = 413,140.60 : x
  2. Step 2: Convert to fraction form
    862,593.40/1,294,278.90 = 413,140.60/x
  3. Step 3: Cross multiply
    862,593.40x = 1,294,278.90 × 413,140.60
  4. Step 4: Simplify right side
    862,593.40x = 534,719,161,313.34
  5. Step 5: Solve for x
    x = 534,719,161,313.34/862,593.40
  6. Step 6: Final answer
    x = 619,897.12

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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.