Home / 1,915,397.25-2,873,095.87-653,235.81

Finding the Fourth Proportional to 1,915,397.25, 2,873,095.87 and 653,235.81

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Solution

The fourth proportional to 1,915,397.25, 2,873,095.87 and 653,235.81 is: 979,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,397.25 : 2,873,095.87 = 653,235.81 : x
  2. Step 2: Convert to fraction form
    1,915,397.25/2,873,095.87 = 653,235.81/x
  3. Step 3: Cross multiply
    1,915,397.25x = 2,873,095.87 × 653,235.81
  4. Step 4: Simplify right side
    1,915,397.25x = 1,876,809,107,847.11
  5. Step 5: Solve for x
    x = 1,876,809,107,847.11/1,915,397.25
  6. Step 6: Final answer
    x = 979,853.71

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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.