Home / 527,927.28-791,882.76-128,567.40

Finding the Fourth Proportional to 527,927.28, 791,882.76 and 128,567.40

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Solution

The fourth proportional to 527,927.28, 791,882.76 and 128,567.40 is: 192,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,927.28 : 791,882.76 = 128,567.40 : x
  2. Step 2: Convert to fraction form
    527,927.28/791,882.76 = 128,567.40/x
  3. Step 3: Cross multiply
    527,927.28x = 791,882.76 × 128,567.40
  4. Step 4: Simplify right side
    527,927.28x = 101,810,307,558.02
  5. Step 5: Solve for x
    x = 101,810,307,558.02/527,927.28
  6. Step 6: Final answer
    x = 192,849.11

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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.