Home / 375,344.12-517,955.10-205,574.60

Finding the Fourth Proportional to 375,344.12, 517,955.10 and 205,574.60

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Solution

The fourth proportional to 375,344.12, 517,955.10 and 205,574.60 is: 283,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,344.12 : 517,955.10 = 205,574.60 : x
  2. Step 2: Convert to fraction form
    375,344.12/517,955.10 = 205,574.60/x
  3. Step 3: Cross multiply
    375,344.12x = 517,955.10 × 205,574.60
  4. Step 4: Simplify right side
    375,344.12x = 106,478,412,500.46
  5. Step 5: Solve for x
    x = 106,478,412,500.46/375,344.12
  6. Step 6: Final answer
    x = 283,682.11

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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.