Home / 1,122,445.46-1,549,008.78-613,180.64

Finding the Fourth Proportional to 1,122,445.46, 1,549,008.78 and 613,180.64

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Solution

The fourth proportional to 1,122,445.46, 1,549,008.78 and 613,180.64 is: 846,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,445.46 : 1,549,008.78 = 613,180.64 : x
  2. Step 2: Convert to fraction form
    1,122,445.46/1,549,008.78 = 613,180.64/x
  3. Step 3: Cross multiply
    1,122,445.46x = 1,549,008.78 × 613,180.64
  4. Step 4: Simplify right side
    1,122,445.46x = 949,822,195,086.02
  5. Step 5: Solve for x
    x = 949,822,195,086.02/1,122,445.46
  6. Step 6: Final answer
    x = 846,207.88

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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.