Home / 894,102.46-1,233,867.20-486,208.74

Finding the Fourth Proportional to 894,102.46, 1,233,867.20 and 486,208.74

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Solution

The fourth proportional to 894,102.46, 1,233,867.20 and 486,208.74 is: 670,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,102.46 : 1,233,867.20 = 486,208.74 : x
  2. Step 2: Convert to fraction form
    894,102.46/1,233,867.20 = 486,208.74/x
  3. Step 3: Cross multiply
    894,102.46x = 1,233,867.20 × 486,208.74
  4. Step 4: Simplify right side
    894,102.46x = 599,917,008,424.53
  5. Step 5: Solve for x
    x = 599,917,008,424.53/894,102.46
  6. Step 6: Final answer
    x = 670,971.21

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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.