Home / 439,121.04-605,987.10-237,917.04

Finding the Fourth Proportional to 439,121.04, 605,987.10 and 237,917.04

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Solution

The fourth proportional to 439,121.04, 605,987.10 and 237,917.04 is: 328,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,121.04 : 605,987.10 = 237,917.04 : x
  2. Step 2: Convert to fraction form
    439,121.04/605,987.10 = 237,917.04/x
  3. Step 3: Cross multiply
    439,121.04x = 605,987.10 × 237,917.04
  4. Step 4: Simplify right side
    439,121.04x = 144,174,657,110.18
  5. Step 5: Solve for x
    x = 144,174,657,110.18/439,121.04
  6. Step 6: Final answer
    x = 328,325.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.