Home / 932,604.30-1,398,906.45-859,121.10

Finding the Fourth Proportional to 932,604.30, 1,398,906.45 and 859,121.10

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Solution

The fourth proportional to 932,604.30, 1,398,906.45 and 859,121.10 is: 1,288,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,604.30 : 1,398,906.45 = 859,121.10 : x
  2. Step 2: Convert to fraction form
    932,604.30/1,398,906.45 = 859,121.10/x
  3. Step 3: Cross multiply
    932,604.30x = 1,398,906.45 × 859,121.10
  4. Step 4: Simplify right side
    932,604.30x = 1,201,830,048,121.10
  5. Step 5: Solve for x
    x = 1,201,830,048,121.10/932,604.30
  6. Step 6: Final answer
    x = 1,288,681.65

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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.