Home / 527,172.25-727,496.67-285,454.07

Finding the Fourth Proportional to 527,172.25, 727,496.67 and 285,454.07

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Solution

The fourth proportional to 527,172.25, 727,496.67 and 285,454.07 is: 393,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,172.25 : 727,496.67 = 285,454.07 : x
  2. Step 2: Convert to fraction form
    527,172.25/727,496.67 = 285,454.07/x
  3. Step 3: Cross multiply
    527,172.25x = 727,496.67 × 285,454.07
  4. Step 4: Simplify right side
    527,172.25x = 207,666,887,207.68
  5. Step 5: Solve for x
    x = 207,666,887,207.68/527,172.25
  6. Step 6: Final answer
    x = 393,926.06

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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.