Home / 828,695.59-1,143,588.42-466,119.69

Finding the Fourth Proportional to 828,695.59, 1,143,588.42 and 466,119.69

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Solution

The fourth proportional to 828,695.59, 1,143,588.42 and 466,119.69 is: 643,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,695.59 : 1,143,588.42 = 466,119.69 : x
  2. Step 2: Convert to fraction form
    828,695.59/1,143,588.42 = 466,119.69/x
  3. Step 3: Cross multiply
    828,695.59x = 1,143,588.42 × 466,119.69
  4. Step 4: Simplify right side
    828,695.59x = 533,049,079,817.99
  5. Step 5: Solve for x
    x = 533,049,079,817.99/828,695.59
  6. Step 6: Final answer
    x = 643,238.71

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Double scale
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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.