Home / 932,655.40-1,398,983.10-822,430.60

Finding the Fourth Proportional to 932,655.40, 1,398,983.10 and 822,430.60

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Solution

The fourth proportional to 932,655.40, 1,398,983.10 and 822,430.60 is: 1,233,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,655.40 : 1,398,983.10 = 822,430.60 : x
  2. Step 2: Convert to fraction form
    932,655.40/1,398,983.10 = 822,430.60/x
  3. Step 3: Cross multiply
    932,655.40x = 1,398,983.10 × 822,430.60
  4. Step 4: Simplify right side
    932,655.40x = 1,150,566,510,322.86
  5. Step 5: Solve for x
    x = 1,150,566,510,322.86/932,655.40
  6. Step 6: Final answer
    x = 1,233,645.90

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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.