Home / 1,781,926.38-2,671,708.89-644,538.91

Finding the Fourth Proportional to 1,781,926.38, 2,671,708.89 and 644,538.91

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Solution

The fourth proportional to 1,781,926.38, 2,671,708.89 and 644,538.91 is: 966,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,926.38 : 2,671,708.89 = 644,538.91 : x
  2. Step 2: Convert to fraction form
    1,781,926.38/2,671,708.89 = 644,538.91/x
  3. Step 3: Cross multiply
    1,781,926.38x = 2,671,708.89 × 644,538.91
  4. Step 4: Simplify right side
    1,781,926.38x = 1,722,020,335,797.91
  5. Step 5: Solve for x
    x = 1,722,020,335,797.91/1,781,926.38
  6. Step 6: Final answer
    x = 966,381.30

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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.