Home / 476,627.22-714,940.25-121,641.28

Finding the Fourth Proportional to 476,627.22, 714,940.25 and 121,641.28

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Solution

The fourth proportional to 476,627.22, 714,940.25 and 121,641.28 is: 182,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,627.22 : 714,940.25 = 121,641.28 : x
  2. Step 2: Convert to fraction form
    476,627.22/714,940.25 = 121,641.28/x
  3. Step 3: Cross multiply
    476,627.22x = 714,940.25 × 121,641.28
  4. Step 4: Simplify right side
    476,627.22x = 86,966,247,133.52
  5. Step 5: Solve for x
    x = 86,966,247,133.52/476,627.22
  6. Step 6: Final answer
    x = 182,461.77

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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.