Home / 543,844.28-750,574.31-328,985.89

Finding the Fourth Proportional to 543,844.28, 750,574.31 and 328,985.89

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Solution

The fourth proportional to 543,844.28, 750,574.31 and 328,985.89 is: 454,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,844.28 : 750,574.31 = 328,985.89 : x
  2. Step 2: Convert to fraction form
    543,844.28/750,574.31 = 328,985.89/x
  3. Step 3: Cross multiply
    543,844.28x = 750,574.31 × 328,985.89
  4. Step 4: Simplify right side
    543,844.28x = 246,928,351,988.69
  5. Step 5: Solve for x
    x = 246,928,351,988.69/543,844.28
  6. Step 6: Final answer
    x = 454,042.38

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1.5x scale

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.