Home / 1,362,551.10-1,880,230.56-818,363.54

Finding the Fourth Proportional to 1,362,551.10, 1,880,230.56 and 818,363.54

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Solution

The fourth proportional to 1,362,551.10, 1,880,230.56 and 818,363.54 is: 1,129,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,551.10 : 1,880,230.56 = 818,363.54 : x
  2. Step 2: Convert to fraction form
    1,362,551.10/1,880,230.56 = 818,363.54/x
  3. Step 3: Cross multiply
    1,362,551.10x = 1,880,230.56 × 818,363.54
  4. Step 4: Simplify right side
    1,362,551.10x = 1,538,712,137,097.78
  5. Step 5: Solve for x
    x = 1,538,712,137,097.78/1,362,551.10
  6. Step 6: Final answer
    x = 1,129,287.66

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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.