Home / 753,191.75-1,039,401.41-409,025.27

Finding the Fourth Proportional to 753,191.75, 1,039,401.41 and 409,025.27

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Solution

The fourth proportional to 753,191.75, 1,039,401.41 and 409,025.27 is: 564,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,191.75 : 1,039,401.41 = 409,025.27 : x
  2. Step 2: Convert to fraction form
    753,191.75/1,039,401.41 = 409,025.27/x
  3. Step 3: Cross multiply
    753,191.75x = 1,039,401.41 × 409,025.27
  4. Step 4: Simplify right side
    753,191.75x = 425,141,442,363.63
  5. Step 5: Solve for x
    x = 425,141,442,363.63/753,191.75
  6. Step 6: Final answer
    x = 564,453.13

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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.