Home / 850,967.10-1,278,351.45-710,999.10

Finding the Fourth Proportional to 850,967.10, 1,278,351.45 and 710,999.10

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Solution

The fourth proportional to 850,967.10, 1,278,351.45 and 710,999.10 is: 1,068,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,967.10 : 1,278,351.45 = 710,999.10 : x
  2. Step 2: Convert to fraction form
    850,967.10/1,278,351.45 = 710,999.10/x
  3. Step 3: Cross multiply
    850,967.10x = 1,278,351.45 × 710,999.10
  4. Step 4: Simplify right side
    850,967.10x = 908,906,730,433.70
  5. Step 5: Solve for x
    x = 908,906,730,433.70/850,967.10
  6. Step 6: Final answer
    x = 1,068,086.80

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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.