Home / 527,246.31-727,598.80-285,528.14

Finding the Fourth Proportional to 527,246.31, 727,598.80 and 285,528.14

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Solution

The fourth proportional to 527,246.31, 727,598.80 and 285,528.14 is: 394,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,246.31 : 727,598.80 = 285,528.14 : x
  2. Step 2: Convert to fraction form
    527,246.31/727,598.80 = 285,528.14/x
  3. Step 3: Cross multiply
    527,246.31x = 727,598.80 × 285,528.14
  4. Step 4: Simplify right side
    527,246.31x = 207,749,930,925.06
  5. Step 5: Solve for x
    x = 207,749,930,925.06/527,246.31
  6. Step 6: Final answer
    x = 394,028.23

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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.