Home / 527,965.92-791,940.78-128,607.30

Finding the Fourth Proportional to 527,965.92, 791,940.78 and 128,607.30

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Solution

The fourth proportional to 527,965.92, 791,940.78 and 128,607.30 is: 192,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,965.92 : 791,940.78 = 128,607.30 : x
  2. Step 2: Convert to fraction form
    527,965.92/791,940.78 = 128,607.30/x
  3. Step 3: Cross multiply
    527,965.92x = 791,940.78 × 128,607.30
  4. Step 4: Simplify right side
    527,965.92x = 101,849,365,475.69
  5. Step 5: Solve for x
    x = 101,849,365,475.69/527,965.92
  6. Step 6: Final answer
    x = 192,908.98

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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.