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Finding the Fourth Proportional to 1,248,789.04, 1,723,328.76 and 675,829.33

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Solution

The fourth proportional to 1,248,789.04, 1,723,328.76 and 675,829.33 is: 932,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,789.04 : 1,723,328.76 = 675,829.33 : x
  2. Step 2: Convert to fraction form
    1,248,789.04/1,723,328.76 = 675,829.33/x
  3. Step 3: Cross multiply
    1,248,789.04x = 1,723,328.76 × 675,829.33
  4. Step 4: Simplify right side
    1,248,789.04x = 1,164,676,121,240.53
  5. Step 5: Solve for x
    x = 1,164,676,121,240.53/1,248,789.04
  6. Step 6: Final answer
    x = 932,644.41

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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.