Home / 1,116,720.21-1,541,347.61-633,568.17

Finding the Fourth Proportional to 1,116,720.21, 1,541,347.61 and 633,568.17

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Solution

The fourth proportional to 1,116,720.21, 1,541,347.61 and 633,568.17 is: 874,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,720.21 : 1,541,347.61 = 633,568.17 : x
  2. Step 2: Convert to fraction form
    1,116,720.21/1,541,347.61 = 633,568.17/x
  3. Step 3: Cross multiply
    1,116,720.21x = 1,541,347.61 × 633,568.17
  4. Step 4: Simplify right side
    1,116,720.21x = 976,548,781,433.73
  5. Step 5: Solve for x
    x = 976,548,781,433.73/1,116,720.21
  6. Step 6: Final answer
    x = 874,479.37

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Double scale
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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.