Home / 731,233.47-1,009,072.38-425,318.65

Finding the Fourth Proportional to 731,233.47, 1,009,072.38 and 425,318.65

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Solution

The fourth proportional to 731,233.47, 1,009,072.38 and 425,318.65 is: 586,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,233.47 : 1,009,072.38 = 425,318.65 : x
  2. Step 2: Convert to fraction form
    731,233.47/1,009,072.38 = 425,318.65/x
  3. Step 3: Cross multiply
    731,233.47x = 1,009,072.38 × 425,318.65
  4. Step 4: Simplify right side
    731,233.47x = 429,177,301,486.15
  5. Step 5: Solve for x
    x = 429,177,301,486.15/731,233.47
  6. Step 6: Final answer
    x = 586,922.39

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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.