Home / 856,371.29-1,181,793.29-463,905.15

Finding the Fourth Proportional to 856,371.29, 1,181,793.29 and 463,905.15

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Solution

The fourth proportional to 856,371.29, 1,181,793.29 and 463,905.15 is: 640,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,371.29 : 1,181,793.29 = 463,905.15 : x
  2. Step 2: Convert to fraction form
    856,371.29/1,181,793.29 = 463,905.15/x
  3. Step 3: Cross multiply
    856,371.29x = 1,181,793.29 × 463,905.15
  4. Step 4: Simplify right side
    856,371.29x = 548,239,991,146.92
  5. Step 5: Solve for x
    x = 548,239,991,146.92/856,371.29
  6. Step 6: Final answer
    x = 640,189.60

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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.