Home / 448,863-619,443.90-247,671.96

Finding the Fourth Proportional to 448,863, 619,443.90 and 247,671.96

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Solution

The fourth proportional to 448,863, 619,443.90 and 247,671.96 is: 341,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,863 : 619,443.90 = 247,671.96 : x
  2. Step 2: Convert to fraction form
    448,863/619,443.90 = 247,671.96/x
  3. Step 3: Cross multiply
    448,863x = 619,443.90 × 247,671.96
  4. Step 4: Simplify right side
    448,863x = 153,418,884,823.04
  5. Step 5: Solve for x
    x = 153,418,884,823.04/448,863
  6. Step 6: Final answer
    x = 341,794.46

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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.