Home / 753,134.16-1,039,343.22-413,609.70

Finding the Fourth Proportional to 753,134.16, 1,039,343.22 and 413,609.70

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Solution

The fourth proportional to 753,134.16, 1,039,343.22 and 413,609.70 is: 570,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,134.16 : 1,039,343.22 = 413,609.70 : x
  2. Step 2: Convert to fraction form
    753,134.16/1,039,343.22 = 413,609.70/x
  3. Step 3: Cross multiply
    753,134.16x = 1,039,343.22 × 413,609.70
  4. Step 4: Simplify right side
    753,134.16x = 429,882,437,421.23
  5. Step 5: Solve for x
    x = 429,882,437,421.23/753,134.16
  6. Step 6: Final answer
    x = 570,791.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.