Home / 828,923.86-1,143,813.45-522,885.34

Finding the Fourth Proportional to 828,923.86, 1,143,813.45 and 522,885.34

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Solution

The fourth proportional to 828,923.86, 1,143,813.45 and 522,885.34 is: 721,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,923.86 : 1,143,813.45 = 522,885.34 : x
  2. Step 2: Convert to fraction form
    828,923.86/1,143,813.45 = 522,885.34/x
  3. Step 3: Cross multiply
    828,923.86x = 1,143,813.45 × 522,885.34
  4. Step 4: Simplify right side
    828,923.86x = 598,083,284,699.82
  5. Step 5: Solve for x
    x = 598,083,284,699.82/828,923.86
  6. Step 6: Final answer
    x = 721,517.76

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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.