Home / 439,091.40-605,945.88-237,887.40

Finding the Fourth Proportional to 439,091.40, 605,945.88 and 237,887.40

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Solution

The fourth proportional to 439,091.40, 605,945.88 and 237,887.40 is: 328,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,091.40 : 605,945.88 = 237,887.40 : x
  2. Step 2: Convert to fraction form
    439,091.40/605,945.88 = 237,887.40/x
  3. Step 3: Cross multiply
    439,091.40x = 605,945.88 × 237,887.40
  4. Step 4: Simplify right side
    439,091.40x = 144,146,889,933.91
  5. Step 5: Solve for x
    x = 144,146,889,933.91/439,091.40
  6. Step 6: Final answer
    x = 328,284.48

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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.