Home / 476,621.43-714,931.55-121,635.46

Finding the Fourth Proportional to 476,621.43, 714,931.55 and 121,635.46

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Solution

The fourth proportional to 476,621.43, 714,931.55 and 121,635.46 is: 182,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,621.43 : 714,931.55 = 121,635.46 : x
  2. Step 2: Convert to fraction form
    476,621.43/714,931.55 = 121,635.46/x
  3. Step 3: Cross multiply
    476,621.43x = 714,931.55 × 121,635.46
  4. Step 4: Simplify right side
    476,621.43x = 86,961,027,952.76
  5. Step 5: Solve for x
    x = 86,961,027,952.76/476,621.43
  6. Step 6: Final answer
    x = 182,453.04

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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.