Home / 1,761,083.60-2,641,625.40-639,006.80

Finding the Fourth Proportional to 1,761,083.60, 2,641,625.40 and 639,006.80

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Solution

The fourth proportional to 1,761,083.60, 2,641,625.40 and 639,006.80 is: 958,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,083.60 : 2,641,625.40 = 639,006.80 : x
  2. Step 2: Convert to fraction form
    1,761,083.60/2,641,625.40 = 639,006.80/x
  3. Step 3: Cross multiply
    1,761,083.60x = 2,641,625.40 × 639,006.80
  4. Step 4: Simplify right side
    1,761,083.60x = 1,688,016,593,652.72
  5. Step 5: Solve for x
    x = 1,688,016,593,652.72/1,761,083.60
  6. Step 6: Final answer
    x = 958,510.20

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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.