Home / 753,334.30-1,039,608.89-409,176.97

Finding the Fourth Proportional to 753,334.30, 1,039,608.89 and 409,176.97

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Solution

The fourth proportional to 753,334.30, 1,039,608.89 and 409,176.97 is: 564,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,334.30 : 1,039,608.89 = 409,176.97 : x
  2. Step 2: Convert to fraction form
    753,334.30/1,039,608.89 = 409,176.97/x
  3. Step 3: Cross multiply
    753,334.30x = 1,039,608.89 × 409,176.97
  4. Step 4: Simplify right side
    753,334.30x = 425,384,015,595.26
  5. Step 5: Solve for x
    x = 425,384,015,595.26/753,334.30
  6. Step 6: Final answer
    x = 564,668.32

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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.