Home / 527,546.33-727,612.24-454,083.79

Finding the Fourth Proportional to 527,546.33, 727,612.24 and 454,083.79

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Solution

The fourth proportional to 527,546.33, 727,612.24 and 454,083.79 is: 626,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,546.33 : 727,612.24 = 454,083.79 : x
  2. Step 2: Convert to fraction form
    527,546.33/727,612.24 = 454,083.79/x
  3. Step 3: Cross multiply
    527,546.33x = 727,612.24 × 454,083.79
  4. Step 4: Simplify right side
    527,546.33x = 330,396,917,681.11
  5. Step 5: Solve for x
    x = 330,396,917,681.11/527,546.33
  6. Step 6: Final answer
    x = 626,289.86

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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.