Home / 527,934.01-791,885.50-128,568.98

Finding the Fourth Proportional to 527,934.01, 791,885.50 and 128,568.98

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Solution

The fourth proportional to 527,934.01, 791,885.50 and 128,568.98 is: 192,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,934.01 : 791,885.50 = 128,568.98 : x
  2. Step 2: Convert to fraction form
    527,934.01/791,885.50 = 128,568.98/x
  3. Step 3: Cross multiply
    527,934.01x = 791,885.50 × 128,568.98
  4. Step 4: Simplify right side
    527,934.01x = 101,811,911,011.79
  5. Step 5: Solve for x
    x = 101,811,911,011.79/527,934.01
  6. Step 6: Final answer
    x = 192,849.69

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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.