Home / 1,776,768.20-2,663,402.70-878,348.60

Finding the Fourth Proportional to 1,776,768.20, 2,663,402.70 and 878,348.60

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Solution

The fourth proportional to 1,776,768.20, 2,663,402.70 and 878,348.60 is: 1,316,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,768.20 : 2,663,402.70 = 878,348.60 : x
  2. Step 2: Convert to fraction form
    1,776,768.20/2,663,402.70 = 878,348.60/x
  3. Step 3: Cross multiply
    1,776,768.20x = 2,663,402.70 × 878,348.60
  4. Step 4: Simplify right side
    1,776,768.20x = 2,339,396,032,781.22
  5. Step 5: Solve for x
    x = 2,339,396,032,781.22/1,776,768.20
  6. Step 6: Final answer
    x = 1,316,657.98

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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.