Home / 628,344.46-867,136.96-341,875.41

Finding the Fourth Proportional to 628,344.46, 867,136.96 and 341,875.41

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Solution

The fourth proportional to 628,344.46, 867,136.96 and 341,875.41 is: 471,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,344.46 : 867,136.96 = 341,875.41 : x
  2. Step 2: Convert to fraction form
    628,344.46/867,136.96 = 341,875.41/x
  3. Step 3: Cross multiply
    628,344.46x = 867,136.96 × 341,875.41
  4. Step 4: Simplify right side
    628,344.46x = 296,452,803,726.15
  5. Step 5: Solve for x
    x = 296,452,803,726.15/628,344.46
  6. Step 6: Final answer
    x = 471,799.82

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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.