Home / 1,028,320.95-1,419,083.64-563,172.39

Finding the Fourth Proportional to 1,028,320.95, 1,419,083.64 and 563,172.39

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Solution

The fourth proportional to 1,028,320.95, 1,419,083.64 and 563,172.39 is: 777,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,320.95 : 1,419,083.64 = 563,172.39 : x
  2. Step 2: Convert to fraction form
    1,028,320.95/1,419,083.64 = 563,172.39/x
  3. Step 3: Cross multiply
    1,028,320.95x = 1,419,083.64 × 563,172.39
  4. Step 4: Simplify right side
    1,028,320.95x = 799,188,725,148.70
  5. Step 5: Solve for x
    x = 799,188,725,148.70/1,028,320.95
  6. Step 6: Final answer
    x = 777,178.30

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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.