Home / 1,191,077.84-1,786,722.60-338,161.88

Finding the Fourth Proportional to 1,191,077.84, 1,786,722.60 and 338,161.88

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Solution

The fourth proportional to 1,191,077.84, 1,786,722.60 and 338,161.88 is: 507,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,077.84 : 1,786,722.60 = 338,161.88 : x
  2. Step 2: Convert to fraction form
    1,191,077.84/1,786,722.60 = 338,161.88/x
  3. Step 3: Cross multiply
    1,191,077.84x = 1,786,722.60 × 338,161.88
  4. Step 4: Simplify right side
    1,191,077.84x = 604,201,473,454.49
  5. Step 5: Solve for x
    x = 604,201,473,454.49/1,191,077.84
  6. Step 6: Final answer
    x = 507,272.87

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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.