Home / 1,118,792.72-1,543,973.64-635,344.40

Finding the Fourth Proportional to 1,118,792.72, 1,543,973.64 and 635,344.40

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Solution

The fourth proportional to 1,118,792.72, 1,543,973.64 and 635,344.40 is: 876,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,792.72 : 1,543,973.64 = 635,344.40 : x
  2. Step 2: Convert to fraction form
    1,118,792.72/1,543,973.64 = 635,344.40/x
  3. Step 3: Cross multiply
    1,118,792.72x = 1,543,973.64 × 635,344.40
  4. Step 4: Simplify right side
    1,118,792.72x = 980,955,005,921.62
  5. Step 5: Solve for x
    x = 980,955,005,921.62/1,118,792.72
  6. Step 6: Final answer
    x = 876,797.81

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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.