Home / 544,851.20-815,721.60-482,643.20

Finding the Fourth Proportional to 544,851.20, 815,721.60 and 482,643.20

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Solution

The fourth proportional to 544,851.20, 815,721.60 and 482,643.20 is: 722,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,851.20 : 815,721.60 = 482,643.20 : x
  2. Step 2: Convert to fraction form
    544,851.20/815,721.60 = 482,643.20/x
  3. Step 3: Cross multiply
    544,851.20x = 815,721.60 × 482,643.20
  4. Step 4: Simplify right side
    544,851.20x = 393,702,483,333.12
  5. Step 5: Solve for x
    x = 393,702,483,333.12/544,851.20
  6. Step 6: Final answer
    x = 722,587.16

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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.