Home / 654,116.70-981,175.05-614,718.30

Finding the Fourth Proportional to 654,116.70, 981,175.05 and 614,718.30

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Solution

The fourth proportional to 654,116.70, 981,175.05 and 614,718.30 is: 922,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,116.70 : 981,175.05 = 614,718.30 : x
  2. Step 2: Convert to fraction form
    654,116.70/981,175.05 = 614,718.30/x
  3. Step 3: Cross multiply
    654,116.70x = 981,175.05 × 614,718.30
  4. Step 4: Simplify right side
    654,116.70x = 603,146,258,738.42
  5. Step 5: Solve for x
    x = 603,146,258,738.42/654,116.70
  6. Step 6: Final answer
    x = 922,077.45

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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.