Home / 712,017.44-982,584.36-389,729.16

Finding the Fourth Proportional to 712,017.44, 982,584.36 and 389,729.16

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Solution

The fourth proportional to 712,017.44, 982,584.36 and 389,729.16 is: 537,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,017.44 : 982,584.36 = 389,729.16 : x
  2. Step 2: Convert to fraction form
    712,017.44/982,584.36 = 389,729.16/x
  3. Step 3: Cross multiply
    712,017.44x = 982,584.36 × 389,729.16
  4. Step 4: Simplify right side
    712,017.44x = 382,941,777,251.94
  5. Step 5: Solve for x
    x = 382,941,777,251.94/712,017.44
  6. Step 6: Final answer
    x = 537,826.40

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Similar ratio
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1.5x scale

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.