Home / 1,666,057.20-2,499,085.80-826,249.20

Finding the Fourth Proportional to 1,666,057.20, 2,499,085.80 and 826,249.20

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Solution

The fourth proportional to 1,666,057.20, 2,499,085.80 and 826,249.20 is: 1,239,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,057.20 : 2,499,085.80 = 826,249.20 : x
  2. Step 2: Convert to fraction form
    1,666,057.20/2,499,085.80 = 826,249.20/x
  3. Step 3: Cross multiply
    1,666,057.20x = 2,499,085.80 × 826,249.20
  4. Step 4: Simplify right side
    1,666,057.20x = 2,064,867,642,981.36
  5. Step 5: Solve for x
    x = 2,064,867,642,981.36/1,666,057.20
  6. Step 6: Final answer
    x = 1,239,373.80

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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.