Home / 892,426.08-1,231,541.16-484,519.92

Finding the Fourth Proportional to 892,426.08, 1,231,541.16 and 484,519.92

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Solution

The fourth proportional to 892,426.08, 1,231,541.16 and 484,519.92 is: 668,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,426.08 : 1,231,541.16 = 484,519.92 : x
  2. Step 2: Convert to fraction form
    892,426.08/1,231,541.16 = 484,519.92/x
  3. Step 3: Cross multiply
    892,426.08x = 1,231,541.16 × 484,519.92
  4. Step 4: Simplify right side
    892,426.08x = 596,706,224,319.91
  5. Step 5: Solve for x
    x = 596,706,224,319.91/892,426.08
  6. Step 6: Final answer
    x = 668,633.78

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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.