Home / 401,621.90-601,612.65-224,223.39

Finding the Fourth Proportional to 401,621.90, 601,612.65 and 224,223.39

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Solution

The fourth proportional to 401,621.90, 601,612.65 and 224,223.39 is: 335,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,621.90 : 601,612.65 = 224,223.39 : x
  2. Step 2: Convert to fraction form
    401,621.90/601,612.65 = 224,223.39/x
  3. Step 3: Cross multiply
    401,621.90x = 601,612.65 × 224,223.39
  4. Step 4: Simplify right side
    401,621.90x = 134,895,627,849.88
  5. Step 5: Solve for x
    x = 134,895,627,849.88/401,621.90
  6. Step 6: Final answer
    x = 335,877.18

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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.