Home / 753,226.40-1,039,199.58-426,494.75

Finding the Fourth Proportional to 753,226.40, 1,039,199.58 and 426,494.75

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Solution

The fourth proportional to 753,226.40, 1,039,199.58 and 426,494.75 is: 588,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,226.40 : 1,039,199.58 = 426,494.75 : x
  2. Step 2: Convert to fraction form
    753,226.40/1,039,199.58 = 426,494.75/x
  3. Step 3: Cross multiply
    753,226.40x = 1,039,199.58 × 426,494.75
  4. Step 4: Simplify right side
    753,226.40x = 443,213,159,876.21
  5. Step 5: Solve for x
    x = 443,213,159,876.21/753,226.40
  6. Step 6: Final answer
    x = 588,419.58

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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.