Home / 1,676,163.39-2,313,061.16-912,200.55

Finding the Fourth Proportional to 1,676,163.39, 2,313,061.16 and 912,200.55

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Solution

The fourth proportional to 1,676,163.39, 2,313,061.16 and 912,200.55 is: 1,258,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,163.39 : 2,313,061.16 = 912,200.55 : x
  2. Step 2: Convert to fraction form
    1,676,163.39/2,313,061.16 = 912,200.55/x
  3. Step 3: Cross multiply
    1,676,163.39x = 2,313,061.16 × 912,200.55
  4. Step 4: Simplify right side
    1,676,163.39x = 2,109,975,657,774.64
  5. Step 5: Solve for x
    x = 2,109,975,657,774.64/1,676,163.39
  6. Step 6: Final answer
    x = 1,258,812.64

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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.