Home / 897,778.29-1,238,562.32-626,007.09

Finding the Fourth Proportional to 897,778.29, 1,238,562.32 and 626,007.09

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Solution

The fourth proportional to 897,778.29, 1,238,562.32 and 626,007.09 is: 863,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,778.29 : 1,238,562.32 = 626,007.09 : x
  2. Step 2: Convert to fraction form
    897,778.29/1,238,562.32 = 626,007.09/x
  3. Step 3: Cross multiply
    897,778.29x = 1,238,562.32 × 626,007.09
  4. Step 4: Simplify right side
    897,778.29x = 775,348,790,596.81
  5. Step 5: Solve for x
    x = 775,348,790,596.81/897,778.29
  6. Step 6: Final answer
    x = 863,630.59

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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.