Home / 407,851.20-562,818.98-226,574.53

Finding the Fourth Proportional to 407,851.20, 562,818.98 and 226,574.53

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Solution

The fourth proportional to 407,851.20, 562,818.98 and 226,574.53 is: 312,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,851.20 : 562,818.98 = 226,574.53 : x
  2. Step 2: Convert to fraction form
    407,851.20/562,818.98 = 226,574.53/x
  3. Step 3: Cross multiply
    407,851.20x = 562,818.98 × 226,574.53
  4. Step 4: Simplify right side
    407,851.20x = 127,520,445,027.97
  5. Step 5: Solve for x
    x = 127,520,445,027.97/407,851.20
  6. Step 6: Final answer
    x = 312,664.14

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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.