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Finding the Fourth Proportional to 1,604,891.88, 2,214,818.64 and 916,677

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Solution

The fourth proportional to 1,604,891.88, 2,214,818.64 and 916,677 is: 1,265,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,891.88 : 2,214,818.64 = 916,677 : x
  2. Step 2: Convert to fraction form
    1,604,891.88/2,214,818.64 = 916,677/x
  3. Step 3: Cross multiply
    1,604,891.88x = 2,214,818.64 × 916,677
  4. Step 4: Simplify right side
    1,604,891.88x = 2,030,273,306,459.28
  5. Step 5: Solve for x
    x = 2,030,273,306,459.28/1,604,891.88
  6. Step 6: Final answer
    x = 1,265,053.01

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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.