Home / 410,397.10-566,357.57-257,441.75

Finding the Fourth Proportional to 410,397.10, 566,357.57 and 257,441.75

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Solution

The fourth proportional to 410,397.10, 566,357.57 and 257,441.75 is: 355,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,397.10 : 566,357.57 = 257,441.75 : x
  2. Step 2: Convert to fraction form
    410,397.10/566,357.57 = 257,441.75/x
  3. Step 3: Cross multiply
    410,397.10x = 566,357.57 × 257,441.75
  4. Step 4: Simplify right side
    410,397.10x = 145,804,079,827.55
  5. Step 5: Solve for x
    x = 145,804,079,827.55/410,397.10
  6. Step 6: Final answer
    x = 355,275.61

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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.