Home / 448,138.47-618,423.07-244,191.16

Finding the Fourth Proportional to 448,138.47, 618,423.07 and 244,191.16

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Solution

The fourth proportional to 448,138.47, 618,423.07 and 244,191.16 is: 336,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,138.47 : 618,423.07 = 244,191.16 : x
  2. Step 2: Convert to fraction form
    448,138.47/618,423.07 = 244,191.16/x
  3. Step 3: Cross multiply
    448,138.47x = 618,423.07 × 244,191.16
  4. Step 4: Simplify right side
    448,138.47x = 151,013,442,520.99
  5. Step 5: Solve for x
    x = 151,013,442,520.99/448,138.47
  6. Step 6: Final answer
    x = 336,979.42

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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.