Home / 1,287,852.97-1,777,148.19-714,848.03

Finding the Fourth Proportional to 1,287,852.97, 1,777,148.19 and 714,848.03

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Solution

The fourth proportional to 1,287,852.97, 1,777,148.19 and 714,848.03 is: 986,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,852.97 : 1,777,148.19 = 714,848.03 : x
  2. Step 2: Convert to fraction form
    1,287,852.97/1,777,148.19 = 714,848.03/x
  3. Step 3: Cross multiply
    1,287,852.97x = 1,777,148.19 × 714,848.03
  4. Step 4: Simplify right side
    1,287,852.97x = 1,270,390,882,639.57
  5. Step 5: Solve for x
    x = 1,270,390,882,639.57/1,287,852.97
  6. Step 6: Final answer
    x = 986,440.93

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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.