Home / 998,220.64-1,377,545.06-545,511.64

Finding the Fourth Proportional to 998,220.64, 1,377,545.06 and 545,511.64

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Solution

The fourth proportional to 998,220.64, 1,377,545.06 and 545,511.64 is: 752,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,220.64 : 1,377,545.06 = 545,511.64 : x
  2. Step 2: Convert to fraction form
    998,220.64/1,377,545.06 = 545,511.64/x
  3. Step 3: Cross multiply
    998,220.64x = 1,377,545.06 × 545,511.64
  4. Step 4: Simplify right side
    998,220.64x = 751,466,864,854.50
  5. Step 5: Solve for x
    x = 751,466,864,854.50/998,220.64
  6. Step 6: Final answer
    x = 752,806.38

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Double scale
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1.5x scale

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.