Home / 834,086.78-1,151,008.90-452,105.36

Finding the Fourth Proportional to 834,086.78, 1,151,008.90 and 452,105.36

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Solution

The fourth proportional to 834,086.78, 1,151,008.90 and 452,105.36 is: 623,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,086.78 : 1,151,008.90 = 452,105.36 : x
  2. Step 2: Convert to fraction form
    834,086.78/1,151,008.90 = 452,105.36/x
  3. Step 3: Cross multiply
    834,086.78x = 1,151,008.90 × 452,105.36
  4. Step 4: Simplify right side
    834,086.78x = 520,377,293,097.70
  5. Step 5: Solve for x
    x = 520,377,293,097.70/834,086.78
  6. Step 6: Final answer
    x = 623,888.67

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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.