Home / 447,018.74-616,877.08-243,067.93

Finding the Fourth Proportional to 447,018.74, 616,877.08 and 243,067.93

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Solution

The fourth proportional to 447,018.74, 616,877.08 and 243,067.93 is: 335,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,018.74 : 616,877.08 = 243,067.93 : x
  2. Step 2: Convert to fraction form
    447,018.74/616,877.08 = 243,067.93/x
  3. Step 3: Cross multiply
    447,018.74x = 616,877.08 × 243,067.93
  4. Step 4: Simplify right side
    447,018.74x = 149,943,034,900.04
  5. Step 5: Solve for x
    x = 149,943,034,900.04/447,018.74
  6. Step 6: Final answer
    x = 335,428.97

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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.