Home / 907,992.18-1,253,013.76-500,132.16

Finding the Fourth Proportional to 907,992.18, 1,253,013.76 and 500,132.16

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Solution

The fourth proportional to 907,992.18, 1,253,013.76 and 500,132.16 is: 690,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,992.18 : 1,253,013.76 = 500,132.16 : x
  2. Step 2: Convert to fraction form
    907,992.18/1,253,013.76 = 500,132.16/x
  3. Step 3: Cross multiply
    907,992.18x = 1,253,013.76 × 500,132.16
  4. Step 4: Simplify right side
    907,992.18x = 626,672,478,298.52
  5. Step 5: Solve for x
    x = 626,672,478,298.52/907,992.18
  6. Step 6: Final answer
    x = 690,173.87

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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.