Home / 465,623.19-698,287.17-199,312.20

Finding the Fourth Proportional to 465,623.19, 698,287.17 and 199,312.20

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Solution

The fourth proportional to 465,623.19, 698,287.17 and 199,312.20 is: 298,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,623.19 : 698,287.17 = 199,312.20 : x
  2. Step 2: Convert to fraction form
    465,623.19/698,287.17 = 199,312.20/x
  3. Step 3: Cross multiply
    465,623.19x = 698,287.17 × 199,312.20
  4. Step 4: Simplify right side
    465,623.19x = 139,177,152,084.47
  5. Step 5: Solve for x
    x = 139,177,152,084.47/465,623.19
  6. Step 6: Final answer
    x = 298,905.11

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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.