Home / 1,191,178.95-1,786,763.87-338,250.62

Finding the Fourth Proportional to 1,191,178.95, 1,786,763.87 and 338,250.62

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Solution

The fourth proportional to 1,191,178.95, 1,786,763.87 and 338,250.62 is: 507,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,178.95 : 1,786,763.87 = 338,250.62 : x
  2. Step 2: Convert to fraction form
    1,191,178.95/1,786,763.87 = 338,250.62/x
  3. Step 3: Cross multiply
    1,191,178.95x = 1,786,763.87 × 338,250.62
  4. Step 4: Simplify right side
    1,191,178.95x = 604,373,976,196.03
  5. Step 5: Solve for x
    x = 604,373,976,196.03/1,191,178.95
  6. Step 6: Final answer
    x = 507,374.63

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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.