Home / 1,773,486.80-2,659,711.80-636,117.20

Finding the Fourth Proportional to 1,773,486.80, 2,659,711.80 and 636,117.20

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Solution

The fourth proportional to 1,773,486.80, 2,659,711.80 and 636,117.20 is: 953,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,486.80 : 2,659,711.80 = 636,117.20 : x
  2. Step 2: Convert to fraction form
    1,773,486.80/2,659,711.80 = 636,117.20/x
  3. Step 3: Cross multiply
    1,773,486.80x = 2,659,711.80 × 636,117.20
  4. Step 4: Simplify right side
    1,773,486.80x = 1,691,888,423,022.96
  5. Step 5: Solve for x
    x = 1,691,888,423,022.96/1,773,486.80
  6. Step 6: Final answer
    x = 953,989.86

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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.