Home / 527,074.02-727,362.45-285,356.66

Finding the Fourth Proportional to 527,074.02, 727,362.45 and 285,356.66

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Solution

The fourth proportional to 527,074.02, 727,362.45 and 285,356.66 is: 393,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,074.02 : 727,362.45 = 285,356.66 : x
  2. Step 2: Convert to fraction form
    527,074.02/727,362.45 = 285,356.66/x
  3. Step 3: Cross multiply
    527,074.02x = 727,362.45 × 285,356.66
  4. Step 4: Simplify right side
    527,074.02x = 207,557,715,704.61
  5. Step 5: Solve for x
    x = 207,557,715,704.61/527,074.02
  6. Step 6: Final answer
    x = 393,792.35

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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.