Home / 1,177,079.64-1,624,257.68-660,715.28

Finding the Fourth Proportional to 1,177,079.64, 1,624,257.68 and 660,715.28

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Solution

The fourth proportional to 1,177,079.64, 1,624,257.68 and 660,715.28 is: 911,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,079.64 : 1,624,257.68 = 660,715.28 : x
  2. Step 2: Convert to fraction form
    1,177,079.64/1,624,257.68 = 660,715.28/x
  3. Step 3: Cross multiply
    1,177,079.64x = 1,624,257.68 × 660,715.28
  4. Step 4: Simplify right side
    1,177,079.64x = 1,073,171,856,408.49
  5. Step 5: Solve for x
    x = 1,073,171,856,408.49/1,177,079.64
  6. Step 6: Final answer
    x = 911,724.08

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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.