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Finding the Fourth Proportional to 1,078,636, 1,488,517.68 and 601,708

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Solution

The fourth proportional to 1,078,636, 1,488,517.68 and 601,708 is: 830,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,636 : 1,488,517.68 = 601,708 : x
  2. Step 2: Convert to fraction form
    1,078,636/1,488,517.68 = 601,708/x
  3. Step 3: Cross multiply
    1,078,636x = 1,488,517.68 × 601,708
  4. Step 4: Simplify right side
    1,078,636x = 895,652,996,197.44
  5. Step 5: Solve for x
    x = 895,652,996,197.44/1,078,636
  6. Step 6: Final answer
    x = 830,357.04

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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.