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Finding the Fourth Proportional to 1,044,919.63, 1,440,654.19 and 676,746.28

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Solution

The fourth proportional to 1,044,919.63, 1,440,654.19 and 676,746.28 is: 933,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,919.63 : 1,440,654.19 = 676,746.28 : x
  2. Step 2: Convert to fraction form
    1,044,919.63/1,440,654.19 = 676,746.28/x
  3. Step 3: Cross multiply
    1,044,919.63x = 1,440,654.19 × 676,746.28
  4. Step 4: Simplify right side
    1,044,919.63x = 974,957,363,848.91
  5. Step 5: Solve for x
    x = 974,957,363,848.91/1,044,919.63
  6. Step 6: Final answer
    x = 933,045.31

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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.