Home / 957,659.40-1,436,489.10-839,561.40

Finding the Fourth Proportional to 957,659.40, 1,436,489.10 and 839,561.40

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Solution

The fourth proportional to 957,659.40, 1,436,489.10 and 839,561.40 is: 1,259,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,659.40 : 1,436,489.10 = 839,561.40 : x
  2. Step 2: Convert to fraction form
    957,659.40/1,436,489.10 = 839,561.40/x
  3. Step 3: Cross multiply
    957,659.40x = 1,436,489.10 × 839,561.40
  4. Step 4: Simplify right side
    957,659.40x = 1,206,020,799,880.74
  5. Step 5: Solve for x
    x = 1,206,020,799,880.74/957,659.40
  6. Step 6: Final answer
    x = 1,259,342.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.