Home / 1,165,792.17-1,608,729.03-642,399.72

Finding the Fourth Proportional to 1,165,792.17, 1,608,729.03 and 642,399.72

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Solution

The fourth proportional to 1,165,792.17, 1,608,729.03 and 642,399.72 is: 886,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,792.17 : 1,608,729.03 = 642,399.72 : x
  2. Step 2: Convert to fraction form
    1,165,792.17/1,608,729.03 = 642,399.72/x
  3. Step 3: Cross multiply
    1,165,792.17x = 1,608,729.03 × 642,399.72
  4. Step 4: Simplify right side
    1,165,792.17x = 1,033,447,078,427.87
  5. Step 5: Solve for x
    x = 1,033,447,078,427.87/1,165,792.17
  6. Step 6: Final answer
    x = 886,476.26

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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.