Home / 1,157,788.10-1,736,989.35-409,756.10

Finding the Fourth Proportional to 1,157,788.10, 1,736,989.35 and 409,756.10

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Solution

The fourth proportional to 1,157,788.10, 1,736,989.35 and 409,756.10 is: 614,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,788.10 : 1,736,989.35 = 409,756.10 : x
  2. Step 2: Convert to fraction form
    1,157,788.10/1,736,989.35 = 409,756.10/x
  3. Step 3: Cross multiply
    1,157,788.10x = 1,736,989.35 × 409,756.10
  4. Step 4: Simplify right side
    1,157,788.10x = 711,741,981,797.54
  5. Step 5: Solve for x
    x = 711,741,981,797.54/1,157,788.10
  6. Step 6: Final answer
    x = 614,742.87

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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.