Home / 703,999.70-1,055,999.55-480,050.90

Finding the Fourth Proportional to 703,999.70, 1,055,999.55 and 480,050.90

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Solution

The fourth proportional to 703,999.70, 1,055,999.55 and 480,050.90 is: 720,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,999.70 : 1,055,999.55 = 480,050.90 : x
  2. Step 2: Convert to fraction form
    703,999.70/1,055,999.55 = 480,050.90/x
  3. Step 3: Cross multiply
    703,999.70x = 1,055,999.55 × 480,050.90
  4. Step 4: Simplify right side
    703,999.70x = 506,933,534,377.10
  5. Step 5: Solve for x
    x = 506,933,534,377.10/703,999.70
  6. Step 6: Final answer
    x = 720,076.35

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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.