Home / 448,946.12-619,542.60-247,742.12

Finding the Fourth Proportional to 448,946.12, 619,542.60 and 247,742.12

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Solution

The fourth proportional to 448,946.12, 619,542.60 and 247,742.12 is: 341,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,946.12 : 619,542.60 = 247,742.12 : x
  2. Step 2: Convert to fraction form
    448,946.12/619,542.60 = 247,742.12/x
  3. Step 3: Cross multiply
    448,946.12x = 619,542.60 × 247,742.12
  4. Step 4: Simplify right side
    448,946.12x = 153,486,797,154.31
  5. Step 5: Solve for x
    x = 153,486,797,154.31/448,946.12
  6. Step 6: Final answer
    x = 341,882.44

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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.