Home / 439,945.11-607,124.24-238,741.11

Finding the Fourth Proportional to 439,945.11, 607,124.24 and 238,741.11

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Solution

The fourth proportional to 439,945.11, 607,124.24 and 238,741.11 is: 329,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,945.11 : 607,124.24 = 238,741.11 : x
  2. Step 2: Convert to fraction form
    439,945.11/607,124.24 = 238,741.11/x
  3. Step 3: Cross multiply
    439,945.11x = 607,124.24 × 238,741.11
  4. Step 4: Simplify right side
    439,945.11x = 144,945,514,965.51
  5. Step 5: Solve for x
    x = 144,945,514,965.51/439,945.11
  6. Step 6: Final answer
    x = 329,462.73

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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.