Home / 1,178,339.28-1,626,119.16-669,052.56

Finding the Fourth Proportional to 1,178,339.28, 1,626,119.16 and 669,052.56

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Solution

The fourth proportional to 1,178,339.28, 1,626,119.16 and 669,052.56 is: 923,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,339.28 : 1,626,119.16 = 669,052.56 : x
  2. Step 2: Convert to fraction form
    1,178,339.28/1,626,119.16 = 669,052.56/x
  3. Step 3: Cross multiply
    1,178,339.28x = 1,626,119.16 × 669,052.56
  4. Step 4: Simplify right side
    1,178,339.28x = 1,087,959,186,863.05
  5. Step 5: Solve for x
    x = 1,087,959,186,863.05/1,178,339.28
  6. Step 6: Final answer
    x = 923,298.75

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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.