Home / 984,497.22-1,358,906.52-571,138.43

Finding the Fourth Proportional to 984,497.22, 1,358,906.52 and 571,138.43

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Solution

The fourth proportional to 984,497.22, 1,358,906.52 and 571,138.43 is: 788,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,497.22 : 1,358,906.52 = 571,138.43 : x
  2. Step 2: Convert to fraction form
    984,497.22/1,358,906.52 = 571,138.43/x
  3. Step 3: Cross multiply
    984,497.22x = 1,358,906.52 × 571,138.43
  4. Step 4: Simplify right side
    984,497.22x = 776,123,731,696.80
  5. Step 5: Solve for x
    x = 776,123,731,696.80/984,497.22
  6. Step 6: Final answer
    x = 788,345.28

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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.