Home / 1,781,927.38-2,671,710.39-644,539.91

Finding the Fourth Proportional to 1,781,927.38, 2,671,710.39 and 644,539.91

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Solution

The fourth proportional to 1,781,927.38, 2,671,710.39 and 644,539.91 is: 966,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,927.38 : 2,671,710.39 = 644,539.91 : x
  2. Step 2: Convert to fraction form
    1,781,927.38/2,671,710.39 = 644,539.91/x
  3. Step 3: Cross multiply
    1,781,927.38x = 2,671,710.39 × 644,539.91
  4. Step 4: Simplify right side
    1,781,927.38x = 1,722,023,974,316.67
  5. Step 5: Solve for x
    x = 1,722,023,974,316.67/1,781,927.38
  6. Step 6: Final answer
    x = 966,382.80

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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.