Home / 527,189.59-727,525.08-285,472.18

Finding the Fourth Proportional to 527,189.59, 727,525.08 and 285,472.18

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Solution

The fourth proportional to 527,189.59, 727,525.08 and 285,472.18 is: 393,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,189.59 : 727,525.08 = 285,472.18 : x
  2. Step 2: Convert to fraction form
    527,189.59/727,525.08 = 285,472.18/x
  3. Step 3: Cross multiply
    527,189.59x = 727,525.08 × 285,472.18
  4. Step 4: Simplify right side
    527,189.59x = 207,688,170,592.27
  5. Step 5: Solve for x
    x = 207,688,170,592.27/527,189.59
  6. Step 6: Final answer
    x = 393,953.47

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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.