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Finding the Fourth Proportional to 1,078,326, 1,488,089.88 and 601,398

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Solution

The fourth proportional to 1,078,326, 1,488,089.88 and 601,398 is: 829,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,326 : 1,488,089.88 = 601,398 : x
  2. Step 2: Convert to fraction form
    1,078,326/1,488,089.88 = 601,398/x
  3. Step 3: Cross multiply
    1,078,326x = 1,488,089.88 × 601,398
  4. Step 4: Simplify right side
    1,078,326x = 894,934,277,652.24
  5. Step 5: Solve for x
    x = 894,934,277,652.24/1,078,326
  6. Step 6: Final answer
    x = 829,929.24

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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.