Home / 731,434.37-1,008,972.97-425,476.33

Finding the Fourth Proportional to 731,434.37, 1,008,972.97 and 425,476.33

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Solution

The fourth proportional to 731,434.37, 1,008,972.97 and 425,476.33 is: 586,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,434.37 : 1,008,972.97 = 425,476.33 : x
  2. Step 2: Convert to fraction form
    731,434.37/1,008,972.97 = 425,476.33/x
  3. Step 3: Cross multiply
    731,434.37x = 1,008,972.97 × 425,476.33
  4. Step 4: Simplify right side
    731,434.37x = 429,294,114,217.42
  5. Step 5: Solve for x
    x = 429,294,114,217.42/731,434.37
  6. Step 6: Final answer
    x = 586,920.89

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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.