Home / 341,923.12-512,426.20-266,113.20

Finding the Fourth Proportional to 341,923.12, 512,426.20 and 266,113.20

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Solution

The fourth proportional to 341,923.12, 512,426.20 and 266,113.20 is: 398,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,923.12 : 512,426.20 = 266,113.20 : x
  2. Step 2: Convert to fraction form
    341,923.12/512,426.20 = 266,113.20/x
  3. Step 3: Cross multiply
    341,923.12x = 512,426.20 × 266,113.20
  4. Step 4: Simplify right side
    341,923.12x = 136,363,374,718.72
  5. Step 5: Solve for x
    x = 136,363,374,718.72/341,923.12
  6. Step 6: Final answer
    x = 398,812.97

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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.