Home / 864,444.16-1,192,934.40-482,470.88

Finding the Fourth Proportional to 864,444.16, 1,192,934.40 and 482,470.88

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Solution

The fourth proportional to 864,444.16, 1,192,934.40 and 482,470.88 is: 665,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,444.16 : 1,192,934.40 = 482,470.88 : x
  2. Step 2: Convert to fraction form
    864,444.16/1,192,934.40 = 482,470.88/x
  3. Step 3: Cross multiply
    864,444.16x = 1,192,934.40 × 482,470.88
  4. Step 4: Simplify right side
    864,444.16x = 575,556,109,750.27
  5. Step 5: Solve for x
    x = 575,556,109,750.27/864,444.16
  6. Step 6: Final answer
    x = 665,810.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.