Home / 1,231,219.59-1,698,600.42-714,885.36

Finding the Fourth Proportional to 1,231,219.59, 1,698,600.42 and 714,885.36

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Solution

The fourth proportional to 1,231,219.59, 1,698,600.42 and 714,885.36 is: 986,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,219.59 : 1,698,600.42 = 714,885.36 : x
  2. Step 2: Convert to fraction form
    1,231,219.59/1,698,600.42 = 714,885.36/x
  3. Step 3: Cross multiply
    1,231,219.59x = 1,698,600.42 × 714,885.36
  4. Step 4: Simplify right side
    1,231,219.59x = 1,214,304,572,747.85
  5. Step 5: Solve for x
    x = 1,214,304,572,747.85/1,231,219.59
  6. Step 6: Final answer
    x = 986,261.58

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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.