Home / 319,223.06-477,422.76-283,932.17

Finding the Fourth Proportional to 319,223.06, 477,422.76 and 283,932.17

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Solution

The fourth proportional to 319,223.06, 477,422.76 and 283,932.17 is: 424,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,223.06 : 477,422.76 = 283,932.17 : x
  2. Step 2: Convert to fraction form
    319,223.06/477,422.76 = 283,932.17/x
  3. Step 3: Cross multiply
    319,223.06x = 477,422.76 × 283,932.17
  4. Step 4: Simplify right side
    319,223.06x = 135,555,680,254.19
  5. Step 5: Solve for x
    x = 135,555,680,254.19/319,223.06
  6. Step 6: Final answer
    x = 424,642.51

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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.