Home / 1,122,487.27-1,549,033.84-639,052.41

Finding the Fourth Proportional to 1,122,487.27, 1,549,033.84 and 639,052.41

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Solution

The fourth proportional to 1,122,487.27, 1,549,033.84 and 639,052.41 is: 881,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,487.27 : 1,549,033.84 = 639,052.41 : x
  2. Step 2: Convert to fraction form
    1,122,487.27/1,549,033.84 = 639,052.41/x
  3. Step 3: Cross multiply
    1,122,487.27x = 1,549,033.84 × 639,052.41
  4. Step 4: Simplify right side
    1,122,487.27x = 989,913,806,517.93
  5. Step 5: Solve for x
    x = 989,913,806,517.93/1,122,487.27
  6. Step 6: Final answer
    x = 881,893.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.