Home / 527,561.20-727,632.76-454,098.68

Finding the Fourth Proportional to 527,561.20, 727,632.76 and 454,098.68

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Solution

The fourth proportional to 527,561.20, 727,632.76 and 454,098.68 is: 626,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,561.20 : 727,632.76 = 454,098.68 : x
  2. Step 2: Convert to fraction form
    527,561.20/727,632.76 = 454,098.68/x
  3. Step 3: Cross multiply
    527,561.20x = 727,632.76 × 454,098.68
  4. Step 4: Simplify right side
    527,561.20x = 330,417,075,840.76
  5. Step 5: Solve for x
    x = 330,417,075,840.76/527,561.20
  6. Step 6: Final answer
    x = 626,310.42

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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.