Home / 527,485.08-791,227.63-128,123.16

Finding the Fourth Proportional to 527,485.08, 791,227.63 and 128,123.16

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Solution

The fourth proportional to 527,485.08, 791,227.63 and 128,123.16 is: 192,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,485.08 : 791,227.63 = 128,123.16 : x
  2. Step 2: Convert to fraction form
    527,485.08/791,227.63 = 128,123.16/x
  3. Step 3: Cross multiply
    527,485.08x = 791,227.63 × 128,123.16
  4. Step 4: Simplify right side
    527,485.08x = 101,374,584,234.91
  5. Step 5: Solve for x
    x = 101,374,584,234.91/527,485.08
  6. Step 6: Final answer
    x = 192,184.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.