Home / 385,001.40-576,887.70-322,332.60

Finding the Fourth Proportional to 385,001.40, 576,887.70 and 322,332.60

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Solution

The fourth proportional to 385,001.40, 576,887.70 and 322,332.60 is: 482,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,001.40 : 576,887.70 = 322,332.60 : x
  2. Step 2: Convert to fraction form
    385,001.40/576,887.70 = 322,332.60/x
  3. Step 3: Cross multiply
    385,001.40x = 576,887.70 × 322,332.60
  4. Step 4: Simplify right side
    385,001.40x = 185,949,712,249.02
  5. Step 5: Solve for x
    x = 185,949,712,249.02/385,001.40
  6. Step 6: Final answer
    x = 482,984.51

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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.