Home / 911,729.80-1,365,626.40-592,865.20

Finding the Fourth Proportional to 911,729.80, 1,365,626.40 and 592,865.20

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Solution

The fourth proportional to 911,729.80, 1,365,626.40 and 592,865.20 is: 888,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,729.80 : 1,365,626.40 = 592,865.20 : x
  2. Step 2: Convert to fraction form
    911,729.80/1,365,626.40 = 592,865.20/x
  3. Step 3: Cross multiply
    911,729.80x = 1,365,626.40 × 592,865.20
  4. Step 4: Simplify right side
    911,729.80x = 809,632,368,761.28
  5. Step 5: Solve for x
    x = 809,632,368,761.28/911,729.80
  6. Step 6: Final answer
    x = 888,017.89

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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.