Home / 1,191,081.84-1,786,728.60-338,165.88

Finding the Fourth Proportional to 1,191,081.84, 1,786,728.60 and 338,165.88

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Solution

The fourth proportional to 1,191,081.84, 1,786,728.60 and 338,165.88 is: 507,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,081.84 : 1,786,728.60 = 338,165.88 : x
  2. Step 2: Convert to fraction form
    1,191,081.84/1,786,728.60 = 338,165.88/x
  3. Step 3: Cross multiply
    1,191,081.84x = 1,786,728.60 × 338,165.88
  4. Step 4: Simplify right side
    1,191,081.84x = 604,210,649,340.17
  5. Step 5: Solve for x
    x = 604,210,649,340.17/1,191,081.84
  6. Step 6: Final answer
    x = 507,278.87

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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.