Home / 480,260.16-720,403.20-125,266.32

Finding the Fourth Proportional to 480,260.16, 720,403.20 and 125,266.32

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Solution

The fourth proportional to 480,260.16, 720,403.20 and 125,266.32 is: 187,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,260.16 : 720,403.20 = 125,266.32 : x
  2. Step 2: Convert to fraction form
    480,260.16/720,403.20 = 125,266.32/x
  3. Step 3: Cross multiply
    480,260.16x = 720,403.20 × 125,266.32
  4. Step 4: Simplify right side
    480,260.16x = 90,242,257,780.22
  5. Step 5: Solve for x
    x = 90,242,257,780.22/480,260.16
  6. Step 6: Final answer
    x = 187,902.86

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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.