Home / 417,024.24-575,037-309,793.20

Finding the Fourth Proportional to 417,024.24, 575,037 and 309,793.20

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Solution

The fourth proportional to 417,024.24, 575,037 and 309,793.20 is: 427,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,024.24 : 575,037 = 309,793.20 : x
  2. Step 2: Convert to fraction form
    417,024.24/575,037 = 309,793.20/x
  3. Step 3: Cross multiply
    417,024.24x = 575,037 × 309,793.20
  4. Step 4: Simplify right side
    417,024.24x = 178,142,552,348.40
  5. Step 5: Solve for x
    x = 178,142,552,348.40/417,024.24
  6. Step 6: Final answer
    x = 427,175.53

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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.