Home / 487,835.28-731,219.13-251,192.16

Finding the Fourth Proportional to 487,835.28, 731,219.13 and 251,192.16

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Solution

The fourth proportional to 487,835.28, 731,219.13 and 251,192.16 is: 376,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,835.28 : 731,219.13 = 251,192.16 : x
  2. Step 2: Convert to fraction form
    487,835.28/731,219.13 = 251,192.16/x
  3. Step 3: Cross multiply
    487,835.28x = 731,219.13 × 251,192.16
  4. Step 4: Simplify right side
    487,835.28x = 183,676,512,698.02
  5. Step 5: Solve for x
    x = 183,676,512,698.02/487,835.28
  6. Step 6: Final answer
    x = 376,513.39

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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.