Home / 1,778,287.05-2,666,089.20-579,493.53

Finding the Fourth Proportional to 1,778,287.05, 2,666,089.20 and 579,493.53

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Solution

The fourth proportional to 1,778,287.05, 2,666,089.20 and 579,493.53 is: 868,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,287.05 : 2,666,089.20 = 579,493.53 : x
  2. Step 2: Convert to fraction form
    1,778,287.05/2,666,089.20 = 579,493.53/x
  3. Step 3: Cross multiply
    1,778,287.05x = 2,666,089.20 × 579,493.53
  4. Step 4: Simplify right side
    1,778,287.05x = 1,544,981,441,802.88
  5. Step 5: Solve for x
    x = 1,544,981,441,802.88/1,778,287.05
  6. Step 6: Final answer
    x = 868,803.18

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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.