Home / 527,310.02-727,684.19-285,587.06

Finding the Fourth Proportional to 527,310.02, 727,684.19 and 285,587.06

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Solution

The fourth proportional to 527,310.02, 727,684.19 and 285,587.06 is: 394,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,310.02 : 727,684.19 = 285,587.06 : x
  2. Step 2: Convert to fraction form
    527,310.02/727,684.19 = 285,587.06/x
  3. Step 3: Cross multiply
    527,310.02x = 727,684.19 × 285,587.06
  4. Step 4: Simplify right side
    527,310.02x = 207,817,186,041.60
  5. Step 5: Solve for x
    x = 207,817,186,041.60/527,310.02
  6. Step 6: Final answer
    x = 394,108.17

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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.