Home / 703,875.20-1,055,812.80-662,403.20

Finding the Fourth Proportional to 703,875.20, 1,055,812.80 and 662,403.20

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Solution

The fourth proportional to 703,875.20, 1,055,812.80 and 662,403.20 is: 993,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,875.20 : 1,055,812.80 = 662,403.20 : x
  2. Step 2: Convert to fraction form
    703,875.20/1,055,812.80 = 662,403.20/x
  3. Step 3: Cross multiply
    703,875.20x = 1,055,812.80 × 662,403.20
  4. Step 4: Simplify right side
    703,875.20x = 699,373,777,320.96
  5. Step 5: Solve for x
    x = 699,373,777,320.96/703,875.20
  6. Step 6: Final answer
    x = 993,604.80

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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.