Home / 865,166.20-1,193,811.40-483,144.28

Finding the Fourth Proportional to 865,166.20, 1,193,811.40 and 483,144.28

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Solution

The fourth proportional to 865,166.20, 1,193,811.40 and 483,144.28 is: 666,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,166.20 : 1,193,811.40 = 483,144.28 : x
  2. Step 2: Convert to fraction form
    865,166.20/1,193,811.40 = 483,144.28/x
  3. Step 3: Cross multiply
    865,166.20x = 1,193,811.40 × 483,144.28
  4. Step 4: Simplify right side
    865,166.20x = 576,783,149,308.79
  5. Step 5: Solve for x
    x = 576,783,149,308.79/865,166.20
  6. Step 6: Final answer
    x = 666,673.23

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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.