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Finding the Fourth Proportional to 690,959.90, 1,034,098.94 and 424,888.94

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Solution

The fourth proportional to 690,959.90, 1,034,098.94 and 424,888.94 is: 635,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,959.90 : 1,034,098.94 = 424,888.94 : x
  2. Step 2: Convert to fraction form
    690,959.90/1,034,098.94 = 424,888.94/x
  3. Step 3: Cross multiply
    690,959.90x = 1,034,098.94 × 424,888.94
  4. Step 4: Simplify right side
    690,959.90x = 439,377,202,471.72
  5. Step 5: Solve for x
    x = 439,377,202,471.72/690,959.90
  6. Step 6: Final answer
    x = 635,893.92

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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.