Home / 986,565.36-1,361,422.38-619,239.04

Finding the Fourth Proportional to 986,565.36, 1,361,422.38 and 619,239.04

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Solution

The fourth proportional to 986,565.36, 1,361,422.38 and 619,239.04 is: 854,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,565.36 : 1,361,422.38 = 619,239.04 : x
  2. Step 2: Convert to fraction form
    986,565.36/1,361,422.38 = 619,239.04/x
  3. Step 3: Cross multiply
    986,565.36x = 1,361,422.38 × 619,239.04
  4. Step 4: Simplify right side
    986,565.36x = 843,045,887,625.72
  5. Step 5: Solve for x
    x = 843,045,887,625.72/986,565.36
  6. Step 6: Final answer
    x = 854,526.14

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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.