Home / 527,082.01-727,373.57-285,364.76

Finding the Fourth Proportional to 527,082.01, 727,373.57 and 285,364.76

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Solution

The fourth proportional to 527,082.01, 727,373.57 and 285,364.76 is: 393,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,082.01 : 727,373.57 = 285,364.76 : x
  2. Step 2: Convert to fraction form
    527,082.01/727,373.57 = 285,364.76/x
  3. Step 3: Cross multiply
    527,082.01x = 727,373.57 × 285,364.76
  4. Step 4: Simplify right side
    527,082.01x = 207,566,779,169.70
  5. Step 5: Solve for x
    x = 207,566,779,169.70/527,082.01
  6. Step 6: Final answer
    x = 393,803.58

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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.