Home / 1,281,202.20-1,917,656.10-1,181,669.40

Finding the Fourth Proportional to 1,281,202.20, 1,917,656.10 and 1,181,669.40

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Solution

The fourth proportional to 1,281,202.20, 1,917,656.10 and 1,181,669.40 is: 1,768,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,202.20 : 1,917,656.10 = 1,181,669.40 : x
  2. Step 2: Convert to fraction form
    1,281,202.20/1,917,656.10 = 1,181,669.40/x
  3. Step 3: Cross multiply
    1,281,202.20x = 1,917,656.10 × 1,181,669.40
  4. Step 4: Simplify right side
    1,281,202.20x = 2,266,035,533,093.34
  5. Step 5: Solve for x
    x = 2,266,035,533,093.34/1,281,202.20
  6. Step 6: Final answer
    x = 1,768,679.08

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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.