Home / 1,184,805.60-1,777,208.40-680,920.80

Finding the Fourth Proportional to 1,184,805.60, 1,777,208.40 and 680,920.80

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Solution

The fourth proportional to 1,184,805.60, 1,777,208.40 and 680,920.80 is: 1,021,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,805.60 : 1,777,208.40 = 680,920.80 : x
  2. Step 2: Convert to fraction form
    1,184,805.60/1,777,208.40 = 680,920.80/x
  3. Step 3: Cross multiply
    1,184,805.60x = 1,777,208.40 × 680,920.80
  4. Step 4: Simplify right side
    1,184,805.60x = 1,210,138,165,494.72
  5. Step 5: Solve for x
    x = 1,210,138,165,494.72/1,184,805.60
  6. Step 6: Final answer
    x = 1,021,381.20

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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.