Home / 986,789.67-1,361,802.69-604,742.64

Finding the Fourth Proportional to 986,789.67, 1,361,802.69 and 604,742.64

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Solution

The fourth proportional to 986,789.67, 1,361,802.69 and 604,742.64 is: 834,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,789.67 : 1,361,802.69 = 604,742.64 : x
  2. Step 2: Convert to fraction form
    986,789.67/1,361,802.69 = 604,742.64/x
  3. Step 3: Cross multiply
    986,789.67x = 1,361,802.69 × 604,742.64
  4. Step 4: Simplify right side
    986,789.67x = 823,540,153,909.70
  5. Step 5: Solve for x
    x = 823,540,153,909.70/986,789.67
  6. Step 6: Final answer
    x = 834,565.03

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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.