Home / 1,079,180.64-1,489,865.76-649,566

Finding the Fourth Proportional to 1,079,180.64, 1,489,865.76 and 649,566

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Solution

The fourth proportional to 1,079,180.64, 1,489,865.76 and 649,566 is: 896,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,180.64 : 1,489,865.76 = 649,566 : x
  2. Step 2: Convert to fraction form
    1,079,180.64/1,489,865.76 = 649,566/x
  3. Step 3: Cross multiply
    1,079,180.64x = 1,489,865.76 × 649,566
  4. Step 4: Simplify right side
    1,079,180.64x = 967,766,142,260.16
  5. Step 5: Solve for x
    x = 967,766,142,260.16/1,079,180.64
  6. Step 6: Final answer
    x = 896,760.10

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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.