Home / 448,148.12-618,436.35-244,200.78

Finding the Fourth Proportional to 448,148.12, 618,436.35 and 244,200.78

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Solution

The fourth proportional to 448,148.12, 618,436.35 and 244,200.78 is: 336,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,148.12 : 618,436.35 = 244,200.78 : x
  2. Step 2: Convert to fraction form
    448,148.12/618,436.35 = 244,200.78/x
  3. Step 3: Cross multiply
    448,148.12x = 618,436.35 × 244,200.78
  4. Step 4: Simplify right side
    448,148.12x = 151,022,639,050.35
  5. Step 5: Solve for x
    x = 151,022,639,050.35/448,148.12
  6. Step 6: Final answer
    x = 336,992.69

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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.