Home / 1,098,203.60-1,645,555.80-814,768.40

Finding the Fourth Proportional to 1,098,203.60, 1,645,555.80 and 814,768.40

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Solution

The fourth proportional to 1,098,203.60, 1,645,555.80 and 814,768.40 is: 1,220,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,203.60 : 1,645,555.80 = 814,768.40 : x
  2. Step 2: Convert to fraction form
    1,098,203.60/1,645,555.80 = 814,768.40/x
  3. Step 3: Cross multiply
    1,098,203.60x = 1,645,555.80 × 814,768.40
  4. Step 4: Simplify right side
    1,098,203.60x = 1,340,746,866,276.72
  5. Step 5: Solve for x
    x = 1,340,746,866,276.72/1,098,203.60
  6. Step 6: Final answer
    x = 1,220,854.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.