Home / 810,585.96-1,214,882.34-454,852.68

Finding the Fourth Proportional to 810,585.96, 1,214,882.34 and 454,852.68

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Solution

The fourth proportional to 810,585.96, 1,214,882.34 and 454,852.68 is: 681,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,585.96 : 1,214,882.34 = 454,852.68 : x
  2. Step 2: Convert to fraction form
    810,585.96/1,214,882.34 = 454,852.68/x
  3. Step 3: Cross multiply
    810,585.96x = 1,214,882.34 × 454,852.68
  4. Step 4: Simplify right side
    810,585.96x = 552,592,488,233.67
  5. Step 5: Solve for x
    x = 552,592,488,233.67/810,585.96
  6. Step 6: Final answer
    x = 681,719.79

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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.