Home / 827,110.10-1,241,831.55-512,182.10

Finding the Fourth Proportional to 827,110.10, 1,241,831.55 and 512,182.10

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Solution

The fourth proportional to 827,110.10, 1,241,831.55 and 512,182.10 is: 768,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,110.10 : 1,241,831.55 = 512,182.10 : x
  2. Step 2: Convert to fraction form
    827,110.10/1,241,831.55 = 512,182.10/x
  3. Step 3: Cross multiply
    827,110.10x = 1,241,831.55 × 512,182.10
  4. Step 4: Simplify right side
    827,110.10x = 636,043,891,125.26
  5. Step 5: Solve for x
    x = 636,043,891,125.26/827,110.10
  6. Step 6: Final answer
    x = 768,995.43

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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.