Home / 753,524.10-1,039,859.13-409,357.30

Finding the Fourth Proportional to 753,524.10, 1,039,859.13 and 409,357.30

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Solution

The fourth proportional to 753,524.10, 1,039,859.13 and 409,357.30 is: 564,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,524.10 : 1,039,859.13 = 409,357.30 : x
  2. Step 2: Convert to fraction form
    753,524.10/1,039,859.13 = 409,357.30/x
  3. Step 3: Cross multiply
    753,524.10x = 1,039,859.13 × 409,357.30
  4. Step 4: Simplify right side
    753,524.10x = 425,673,925,837.15
  5. Step 5: Solve for x
    x = 425,673,925,837.15/753,524.10
  6. Step 6: Final answer
    x = 564,910.83

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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.