Home / 986,882.16-1,479,433.86-454,128.96

Finding the Fourth Proportional to 986,882.16, 1,479,433.86 and 454,128.96

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Solution

The fourth proportional to 986,882.16, 1,479,433.86 and 454,128.96 is: 680,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,882.16 : 1,479,433.86 = 454,128.96 : x
  2. Step 2: Convert to fraction form
    986,882.16/1,479,433.86 = 454,128.96/x
  3. Step 3: Cross multiply
    986,882.16x = 1,479,433.86 × 454,128.96
  4. Step 4: Simplify right side
    986,882.16x = 671,853,760,230.59
  5. Step 5: Solve for x
    x = 671,853,760,230.59/986,882.16
  6. Step 6: Final answer
    x = 680,784.18

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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.