Home / 1,776,542.20-2,663,063.70-878,122.60

Finding the Fourth Proportional to 1,776,542.20, 2,663,063.70 and 878,122.60

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Solution

The fourth proportional to 1,776,542.20, 2,663,063.70 and 878,122.60 is: 1,316,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,542.20 : 2,663,063.70 = 878,122.60 : x
  2. Step 2: Convert to fraction form
    1,776,542.20/2,663,063.70 = 878,122.60/x
  3. Step 3: Cross multiply
    1,776,542.20x = 2,663,063.70 × 878,122.60
  4. Step 4: Simplify right side
    1,776,542.20x = 2,338,496,420,209.62
  5. Step 5: Solve for x
    x = 2,338,496,420,209.62/1,776,542.20
  6. Step 6: Final answer
    x = 1,316,319.09

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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.