Home / 439,381.13-606,346.02-238,177.13

Finding the Fourth Proportional to 439,381.13, 606,346.02 and 238,177.13

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Solution

The fourth proportional to 439,381.13, 606,346.02 and 238,177.13 is: 328,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,381.13 : 606,346.02 = 238,177.13 : x
  2. Step 2: Convert to fraction form
    439,381.13/606,346.02 = 238,177.13/x
  3. Step 3: Cross multiply
    439,381.13x = 606,346.02 × 238,177.13
  4. Step 4: Simplify right side
    439,381.13x = 144,417,751,798.79
  5. Step 5: Solve for x
    x = 144,417,751,798.79/439,381.13
  6. Step 6: Final answer
    x = 328,684.47

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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.