Home / 911,822.40-1,368,856.80-574,862.40

Finding the Fourth Proportional to 911,822.40, 1,368,856.80 and 574,862.40

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Solution

The fourth proportional to 911,822.40, 1,368,856.80 and 574,862.40 is: 863,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,822.40 : 1,368,856.80 = 574,862.40 : x
  2. Step 2: Convert to fraction form
    911,822.40/1,368,856.80 = 574,862.40/x
  3. Step 3: Cross multiply
    911,822.40x = 1,368,856.80 × 574,862.40
  4. Step 4: Simplify right side
    911,822.40x = 786,904,305,304.32
  5. Step 5: Solve for x
    x = 786,904,305,304.32/911,822.40
  6. Step 6: Final answer
    x = 863,001.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.