Home / 932,603.20-1,398,904.80-911,867.20

Finding the Fourth Proportional to 932,603.20, 1,398,904.80 and 911,867.20

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Solution

The fourth proportional to 932,603.20, 1,398,904.80 and 911,867.20 is: 1,367,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,603.20 : 1,398,904.80 = 911,867.20 : x
  2. Step 2: Convert to fraction form
    932,603.20/1,398,904.80 = 911,867.20/x
  3. Step 3: Cross multiply
    932,603.20x = 1,398,904.80 × 911,867.20
  4. Step 4: Simplify right side
    932,603.20x = 1,275,615,403,042.56
  5. Step 5: Solve for x
    x = 1,275,615,403,042.56/932,603.20
  6. Step 6: Final answer
    x = 1,367,800.80

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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.