Home / 532,815.40-799,028.70-266,487.40

Finding the Fourth Proportional to 532,815.40, 799,028.70 and 266,487.40

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Solution

The fourth proportional to 532,815.40, 799,028.70 and 266,487.40 is: 399,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,815.40 : 799,028.70 = 266,487.40 : x
  2. Step 2: Convert to fraction form
    532,815.40/799,028.70 = 266,487.40/x
  3. Step 3: Cross multiply
    532,815.40x = 799,028.70 × 266,487.40
  4. Step 4: Simplify right side
    532,815.40x = 212,931,080,788.38
  5. Step 5: Solve for x
    x = 212,931,080,788.38/532,815.40
  6. Step 6: Final answer
    x = 399,633.87

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Similar ratio
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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.