Home / 1,294,190.10-1,941,285.15-1,205,616.60

Finding the Fourth Proportional to 1,294,190.10, 1,941,285.15 and 1,205,616.60

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Solution

The fourth proportional to 1,294,190.10, 1,941,285.15 and 1,205,616.60 is: 1,808,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,190.10 : 1,941,285.15 = 1,205,616.60 : x
  2. Step 2: Convert to fraction form
    1,294,190.10/1,941,285.15 = 1,205,616.60/x
  3. Step 3: Cross multiply
    1,294,190.10x = 1,941,285.15 × 1,205,616.60
  4. Step 4: Simplify right side
    1,294,190.10x = 2,340,445,602,173.49
  5. Step 5: Solve for x
    x = 2,340,445,602,173.49/1,294,190.10
  6. Step 6: Final answer
    x = 1,808,424.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.