Home / 467,445.60-644,920.02-263,471.40

Finding the Fourth Proportional to 467,445.60, 644,920.02 and 263,471.40

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Solution

The fourth proportional to 467,445.60, 644,920.02 and 263,471.40 is: 363,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,445.60 : 644,920.02 = 263,471.40 : x
  2. Step 2: Convert to fraction form
    467,445.60/644,920.02 = 263,471.40/x
  3. Step 3: Cross multiply
    467,445.60x = 644,920.02 × 263,471.40
  4. Step 4: Simplify right side
    467,445.60x = 169,917,980,557.43
  5. Step 5: Solve for x
    x = 169,917,980,557.43/467,445.60
  6. Step 6: Final answer
    x = 363,503.22

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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.