Home / 753,523.56-1,039,858.30-409,356.75

Finding the Fourth Proportional to 753,523.56, 1,039,858.30 and 409,356.75

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Solution

The fourth proportional to 753,523.56, 1,039,858.30 and 409,356.75 is: 564,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,523.56 : 1,039,858.30 = 409,356.75 : x
  2. Step 2: Convert to fraction form
    753,523.56/1,039,858.30 = 409,356.75/x
  3. Step 3: Cross multiply
    753,523.56x = 1,039,858.30 × 409,356.75
  4. Step 4: Simplify right side
    753,523.56x = 425,673,014,148.53
  5. Step 5: Solve for x
    x = 425,673,014,148.53/753,523.56
  6. Step 6: Final answer
    x = 564,910.03

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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.