Home / 779,343.84-1,169,352.54-419,093.62

Finding the Fourth Proportional to 779,343.84, 1,169,352.54 and 419,093.62

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Solution

The fourth proportional to 779,343.84, 1,169,352.54 and 419,093.62 is: 628,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,343.84 : 1,169,352.54 = 419,093.62 : x
  2. Step 2: Convert to fraction form
    779,343.84/1,169,352.54 = 419,093.62/x
  3. Step 3: Cross multiply
    779,343.84x = 1,169,352.54 × 419,093.62
  4. Step 4: Simplify right side
    779,343.84x = 490,068,189,044.80
  5. Step 5: Solve for x
    x = 490,068,189,044.80/779,343.84
  6. Step 6: Final answer
    x = 628,821.53

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1.5x scale

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.