Home / 806,924.70-1,112,515.47-661,188.66

Finding the Fourth Proportional to 806,924.70, 1,112,515.47 and 661,188.66

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Solution

The fourth proportional to 806,924.70, 1,112,515.47 and 661,188.66 is: 911,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,924.70 : 1,112,515.47 = 661,188.66 : x
  2. Step 2: Convert to fraction form
    806,924.70/1,112,515.47 = 661,188.66/x
  3. Step 3: Cross multiply
    806,924.70x = 1,112,515.47 × 661,188.66
  4. Step 4: Simplify right side
    806,924.70x = 735,582,612,838.57
  5. Step 5: Solve for x
    x = 735,582,612,838.57/806,924.70
  6. Step 6: Final answer
    x = 911,587.68

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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.