Home / 341,743.20-512,614.80-223,778.40

Finding the Fourth Proportional to 341,743.20, 512,614.80 and 223,778.40

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Solution

The fourth proportional to 341,743.20, 512,614.80 and 223,778.40 is: 335,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,743.20 : 512,614.80 = 223,778.40 : x
  2. Step 2: Convert to fraction form
    341,743.20/512,614.80 = 223,778.40/x
  3. Step 3: Cross multiply
    341,743.20x = 512,614.80 × 223,778.40
  4. Step 4: Simplify right side
    341,743.20x = 114,712,119,760.32
  5. Step 5: Solve for x
    x = 114,712,119,760.32/341,743.20
  6. Step 6: Final answer
    x = 335,667.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.