Home / 825,635.29-1,138,892.81-519,225.65

Finding the Fourth Proportional to 825,635.29, 1,138,892.81 and 519,225.65

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Solution

The fourth proportional to 825,635.29, 1,138,892.81 and 519,225.65 is: 716,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,635.29 : 1,138,892.81 = 519,225.65 : x
  2. Step 2: Convert to fraction form
    825,635.29/1,138,892.81 = 519,225.65/x
  3. Step 3: Cross multiply
    825,635.29x = 1,138,892.81 × 519,225.65
  4. Step 4: Simplify right side
    825,635.29x = 591,342,359,552.58
  5. Step 5: Solve for x
    x = 591,342,359,552.58/825,635.29
  6. Step 6: Final answer
    x = 716,227.09

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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.