Home / 1,910,913.38-2,865,484.31-712,513.92

Finding the Fourth Proportional to 1,910,913.38, 2,865,484.31 and 712,513.92

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Solution

The fourth proportional to 1,910,913.38, 2,865,484.31 and 712,513.92 is: 1,068,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,913.38 : 2,865,484.31 = 712,513.92 : x
  2. Step 2: Convert to fraction form
    1,910,913.38/2,865,484.31 = 712,513.92/x
  3. Step 3: Cross multiply
    1,910,913.38x = 2,865,484.31 × 712,513.92
  4. Step 4: Simplify right side
    1,910,913.38x = 2,041,697,454,854.03
  5. Step 5: Solve for x
    x = 2,041,697,454,854.03/1,910,913.38
  6. Step 6: Final answer
    x = 1,068,440.61

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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.