Home / 474,126.18-654,097.05-310,738.02

Finding the Fourth Proportional to 474,126.18, 654,097.05 and 310,738.02

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Solution

The fourth proportional to 474,126.18, 654,097.05 and 310,738.02 is: 428,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,126.18 : 654,097.05 = 310,738.02 : x
  2. Step 2: Convert to fraction form
    474,126.18/654,097.05 = 310,738.02/x
  3. Step 3: Cross multiply
    474,126.18x = 654,097.05 × 310,738.02
  4. Step 4: Simplify right side
    474,126.18x = 203,252,822,204.84
  5. Step 5: Solve for x
    x = 203,252,822,204.84/474,126.18
  6. Step 6: Final answer
    x = 428,689.30

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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.