Home / 417,963-576,965.53-282,180.88

Finding the Fourth Proportional to 417,963, 576,965.53 and 282,180.88

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Solution

The fourth proportional to 417,963, 576,965.53 and 282,180.88 is: 389,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,963 : 576,965.53 = 282,180.88 : x
  2. Step 2: Convert to fraction form
    417,963/576,965.53 = 282,180.88/x
  3. Step 3: Cross multiply
    417,963x = 576,965.53 × 282,180.88
  4. Step 4: Simplify right side
    417,963x = 162,808,640,985.07
  5. Step 5: Solve for x
    x = 162,808,640,985.07/417,963
  6. Step 6: Final answer
    x = 389,528.84

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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.