Home / 986,543.10-1,479,814.65-827,110.80

Finding the Fourth Proportional to 986,543.10, 1,479,814.65 and 827,110.80

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Solution

The fourth proportional to 986,543.10, 1,479,814.65 and 827,110.80 is: 1,240,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,543.10 : 1,479,814.65 = 827,110.80 : x
  2. Step 2: Convert to fraction form
    986,543.10/1,479,814.65 = 827,110.80/x
  3. Step 3: Cross multiply
    986,543.10x = 1,479,814.65 × 827,110.80
  4. Step 4: Simplify right side
    986,543.10x = 1,223,970,679,013.22
  5. Step 5: Solve for x
    x = 1,223,970,679,013.22/986,543.10
  6. Step 6: Final answer
    x = 1,240,666.20

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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.