Home / 503,329.20-754,993.80-480,001.20

Finding the Fourth Proportional to 503,329.20, 754,993.80 and 480,001.20

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Solution

The fourth proportional to 503,329.20, 754,993.80 and 480,001.20 is: 720,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,329.20 : 754,993.80 = 480,001.20 : x
  2. Step 2: Convert to fraction form
    503,329.20/754,993.80 = 480,001.20/x
  3. Step 3: Cross multiply
    503,329.20x = 754,993.80 × 480,001.20
  4. Step 4: Simplify right side
    503,329.20x = 362,397,929,992.56
  5. Step 5: Solve for x
    x = 362,397,929,992.56/503,329.20
  6. Step 6: Final answer
    x = 720,001.80

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1.5x scale

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.