Home / 640,159.20-883,445.33-368,227.01

Finding the Fourth Proportional to 640,159.20, 883,445.33 and 368,227.01

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Solution

The fourth proportional to 640,159.20, 883,445.33 and 368,227.01 is: 508,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,159.20 : 883,445.33 = 368,227.01 : x
  2. Step 2: Convert to fraction form
    640,159.20/883,445.33 = 368,227.01/x
  3. Step 3: Cross multiply
    640,159.20x = 883,445.33 × 368,227.01
  4. Step 4: Simplify right side
    640,159.20x = 325,308,435,493.54
  5. Step 5: Solve for x
    x = 325,308,435,493.54/640,159.20
  6. Step 6: Final answer
    x = 508,168.02

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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.