Home / 486,244.82-671,373.46-314,264.61

Finding the Fourth Proportional to 486,244.82, 671,373.46 and 314,264.61

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Solution

The fourth proportional to 486,244.82, 671,373.46 and 314,264.61 is: 433,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,244.82 : 671,373.46 = 314,264.61 : x
  2. Step 2: Convert to fraction form
    486,244.82/671,373.46 = 314,264.61/x
  3. Step 3: Cross multiply
    486,244.82x = 671,373.46 × 314,264.61
  4. Step 4: Simplify right side
    486,244.82x = 210,988,918,964.08
  5. Step 5: Solve for x
    x = 210,988,918,964.08/486,244.82
  6. Step 6: Final answer
    x = 433,914.99

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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.