Home / 480,703.24-720,999.77-125,751.52

Finding the Fourth Proportional to 480,703.24, 720,999.77 and 125,751.52

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Solution

The fourth proportional to 480,703.24, 720,999.77 and 125,751.52 is: 188,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,703.24 : 720,999.77 = 125,751.52 : x
  2. Step 2: Convert to fraction form
    480,703.24/720,999.77 = 125,751.52/x
  3. Step 3: Cross multiply
    480,703.24x = 720,999.77 × 125,751.52
  4. Step 4: Simplify right side
    480,703.24x = 90,666,816,997.15
  5. Step 5: Solve for x
    x = 90,666,816,997.15/480,703.24
  6. Step 6: Final answer
    x = 188,612.87

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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.