Home / 467,646.06-645,327.36-263,691.30

Finding the Fourth Proportional to 467,646.06, 645,327.36 and 263,691.30

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Solution

The fourth proportional to 467,646.06, 645,327.36 and 263,691.30 is: 363,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,646.06 : 645,327.36 = 263,691.30 : x
  2. Step 2: Convert to fraction form
    467,646.06/645,327.36 = 263,691.30/x
  3. Step 3: Cross multiply
    467,646.06x = 645,327.36 × 263,691.30
  4. Step 4: Simplify right side
    467,646.06x = 170,167,210,483.97
  5. Step 5: Solve for x
    x = 170,167,210,483.97/467,646.06
  6. Step 6: Final answer
    x = 363,880.35

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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.