Home / 690,953.40-1,034,089.20-424,882.44

Finding the Fourth Proportional to 690,953.40, 1,034,089.20 and 424,882.44

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Solution

The fourth proportional to 690,953.40, 1,034,089.20 and 424,882.44 is: 635,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,953.40 : 1,034,089.20 = 424,882.44 : x
  2. Step 2: Convert to fraction form
    690,953.40/1,034,089.20 = 424,882.44/x
  3. Step 3: Cross multiply
    690,953.40x = 1,034,089.20 × 424,882.44
  4. Step 4: Simplify right side
    690,953.40x = 439,366,342,473.65
  5. Step 5: Solve for x
    x = 439,366,342,473.65/690,953.40
  6. Step 6: Final answer
    x = 635,884.19

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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.