Home / 827,032.60-1,241,715.30-512,104.60

Finding the Fourth Proportional to 827,032.60, 1,241,715.30 and 512,104.60

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Solution

The fourth proportional to 827,032.60, 1,241,715.30 and 512,104.60 is: 768,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,032.60 : 1,241,715.30 = 512,104.60 : x
  2. Step 2: Convert to fraction form
    827,032.60/1,241,715.30 = 512,104.60/x
  3. Step 3: Cross multiply
    827,032.60x = 1,241,715.30 × 512,104.60
  4. Step 4: Simplify right side
    827,032.60x = 635,888,117,020.38
  5. Step 5: Solve for x
    x = 635,888,117,020.38/827,032.60
  6. Step 6: Final answer
    x = 768,879.14

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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.