Home / 1,447,920.27-1,998,130.27-803,338.92

Finding the Fourth Proportional to 1,447,920.27, 1,998,130.27 and 803,338.92

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Solution

The fourth proportional to 1,447,920.27, 1,998,130.27 and 803,338.92 is: 1,108,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,920.27 : 1,998,130.27 = 803,338.92 : x
  2. Step 2: Convert to fraction form
    1,447,920.27/1,998,130.27 = 803,338.92/x
  3. Step 3: Cross multiply
    1,447,920.27x = 1,998,130.27 × 803,338.92
  4. Step 4: Simplify right side
    1,447,920.27x = 1,605,175,813,121.11
  5. Step 5: Solve for x
    x = 1,605,175,813,121.11/1,447,920.27
  6. Step 6: Final answer
    x = 1,108,607.88

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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.