Home / 1,579,917.96-2,180,278.38-891,813.46

Finding the Fourth Proportional to 1,579,917.96, 2,180,278.38 and 891,813.46

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Solution

The fourth proportional to 1,579,917.96, 2,180,278.38 and 891,813.46 is: 1,230,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,917.96 : 2,180,278.38 = 891,813.46 : x
  2. Step 2: Convert to fraction form
    1,579,917.96/2,180,278.38 = 891,813.46/x
  3. Step 3: Cross multiply
    1,579,917.96x = 2,180,278.38 × 891,813.46
  4. Step 4: Simplify right side
    1,579,917.96x = 1,944,401,605,830.99
  5. Step 5: Solve for x
    x = 1,944,401,605,830.99/1,579,917.96
  6. Step 6: Final answer
    x = 1,230,697.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.