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Finding the Fourth Proportional to 1,593,662, 2,199,253.56 and 878,270

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Solution

The fourth proportional to 1,593,662, 2,199,253.56 and 878,270 is: 1,212,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,662 : 2,199,253.56 = 878,270 : x
  2. Step 2: Convert to fraction form
    1,593,662/2,199,253.56 = 878,270/x
  3. Step 3: Cross multiply
    1,593,662x = 2,199,253.56 × 878,270
  4. Step 4: Simplify right side
    1,593,662x = 1,931,538,424,141.20
  5. Step 5: Solve for x
    x = 1,931,538,424,141.20/1,593,662
  6. Step 6: Final answer
    x = 1,212,012.60

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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.