Home / 1,181,943.80-1,772,915.70-1,090,705.40

Finding the Fourth Proportional to 1,181,943.80, 1,772,915.70 and 1,090,705.40

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Solution

The fourth proportional to 1,181,943.80, 1,772,915.70 and 1,090,705.40 is: 1,636,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,943.80 : 1,772,915.70 = 1,090,705.40 : x
  2. Step 2: Convert to fraction form
    1,181,943.80/1,772,915.70 = 1,090,705.40/x
  3. Step 3: Cross multiply
    1,181,943.80x = 1,772,915.70 × 1,090,705.40
  4. Step 4: Simplify right side
    1,181,943.80x = 1,933,728,727,734.78
  5. Step 5: Solve for x
    x = 1,933,728,727,734.78/1,181,943.80
  6. Step 6: Final answer
    x = 1,636,058.10

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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.