Home / 1,287,013.35-1,776,078.65-714,052.16

Finding the Fourth Proportional to 1,287,013.35, 1,776,078.65 and 714,052.16

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Solution

The fourth proportional to 1,287,013.35, 1,776,078.65 and 714,052.16 is: 985,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,013.35 : 1,776,078.65 = 714,052.16 : x
  2. Step 2: Convert to fraction form
    1,287,013.35/1,776,078.65 = 714,052.16/x
  3. Step 3: Cross multiply
    1,287,013.35x = 1,776,078.65 × 714,052.16
  4. Step 4: Simplify right side
    1,287,013.35x = 1,268,212,791,910.87
  5. Step 5: Solve for x
    x = 1,268,212,791,910.87/1,287,013.35
  6. Step 6: Final answer
    x = 985,392.10

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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.