Home / 753,236.92-1,039,463.40-409,070.44

Finding the Fourth Proportional to 753,236.92, 1,039,463.40 and 409,070.44

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Solution

The fourth proportional to 753,236.92, 1,039,463.40 and 409,070.44 is: 564,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,236.92 : 1,039,463.40 = 409,070.44 : x
  2. Step 2: Convert to fraction form
    753,236.92/1,039,463.40 = 409,070.44/x
  3. Step 3: Cross multiply
    753,236.92x = 1,039,463.40 × 409,070.44
  4. Step 4: Simplify right side
    753,236.92x = 425,213,750,401.90
  5. Step 5: Solve for x
    x = 425,213,750,401.90/753,236.92
  6. Step 6: Final answer
    x = 564,515.28

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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.