Home / 527,230.20-790,312.76-207,606.38

Finding the Fourth Proportional to 527,230.20, 790,312.76 and 207,606.38

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Solution

The fourth proportional to 527,230.20, 790,312.76 and 207,606.38 is: 311,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,230.20 : 790,312.76 = 207,606.38 : x
  2. Step 2: Convert to fraction form
    527,230.20/790,312.76 = 207,606.38/x
  3. Step 3: Cross multiply
    527,230.20x = 790,312.76 × 207,606.38
  4. Step 4: Simplify right side
    527,230.20x = 164,073,968,128.12
  5. Step 5: Solve for x
    x = 164,073,968,128.12/527,230.20
  6. Step 6: Final answer
    x = 311,199.87

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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.