Home / 862,614.11-1,190,358.89-475,428.35

Finding the Fourth Proportional to 862,614.11, 1,190,358.89 and 475,428.35

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Solution

The fourth proportional to 862,614.11, 1,190,358.89 and 475,428.35 is: 656,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,614.11 : 1,190,358.89 = 475,428.35 : x
  2. Step 2: Convert to fraction form
    862,614.11/1,190,358.89 = 475,428.35/x
  3. Step 3: Cross multiply
    862,614.11x = 1,190,358.89 × 475,428.35
  4. Step 4: Simplify right side
    862,614.11x = 565,930,365,362.14
  5. Step 5: Solve for x
    x = 565,930,365,362.14/862,614.11
  6. Step 6: Final answer
    x = 656,064.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.