Home / 527,276.16-727,637.76-285,554.88

Finding the Fourth Proportional to 527,276.16, 727,637.76 and 285,554.88

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Solution

The fourth proportional to 527,276.16, 727,637.76 and 285,554.88 is: 394,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,276.16 : 727,637.76 = 285,554.88 : x
  2. Step 2: Convert to fraction form
    527,276.16/727,637.76 = 285,554.88/x
  3. Step 3: Cross multiply
    527,276.16x = 727,637.76 × 285,554.88
  4. Step 4: Simplify right side
    527,276.16x = 207,780,513,240.27
  5. Step 5: Solve for x
    x = 207,780,513,240.27/527,276.16
  6. Step 6: Final answer
    x = 394,063.93

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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.