Home / 753,342.33-1,039,619.96-409,184.96

Finding the Fourth Proportional to 753,342.33, 1,039,619.96 and 409,184.96

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Solution

The fourth proportional to 753,342.33, 1,039,619.96 and 409,184.96 is: 564,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,342.33 : 1,039,619.96 = 409,184.96 : x
  2. Step 2: Convert to fraction form
    753,342.33/1,039,619.96 = 409,184.96/x
  3. Step 3: Cross multiply
    753,342.33x = 1,039,619.96 × 409,184.96
  4. Step 4: Simplify right side
    753,342.33x = 425,396,846,038.22
  5. Step 5: Solve for x
    x = 425,396,846,038.22/753,342.33
  6. Step 6: Final answer
    x = 564,679.34

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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.