Home / 439,024.12-605,853.30-237,820.12

Finding the Fourth Proportional to 439,024.12, 605,853.30 and 237,820.12

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Solution

The fourth proportional to 439,024.12, 605,853.30 and 237,820.12 is: 328,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,024.12 : 605,853.30 = 237,820.12 : x
  2. Step 2: Convert to fraction form
    439,024.12/605,853.30 = 237,820.12/x
  3. Step 3: Cross multiply
    439,024.12x = 605,853.30 × 237,820.12
  4. Step 4: Simplify right side
    439,024.12x = 144,084,104,508.40
  5. Step 5: Solve for x
    x = 144,084,104,508.40/439,024.12
  6. Step 6: Final answer
    x = 328,191.77

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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.