Home / 447,071.29-616,962.51-243,124.15

Finding the Fourth Proportional to 447,071.29, 616,962.51 and 243,124.15

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Solution

The fourth proportional to 447,071.29, 616,962.51 and 243,124.15 is: 335,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,071.29 : 616,962.51 = 243,124.15 : x
  2. Step 2: Convert to fraction form
    447,071.29/616,962.51 = 243,124.15/x
  3. Step 3: Cross multiply
    447,071.29x = 616,962.51 × 243,124.15
  4. Step 4: Simplify right side
    447,071.29x = 149,998,485,825.62
  5. Step 5: Solve for x
    x = 149,998,485,825.62/447,071.29
  6. Step 6: Final answer
    x = 335,513.57

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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.