Home / 1,023,612.62-1,535,363.52-313,642.72

Finding the Fourth Proportional to 1,023,612.62, 1,535,363.52 and 313,642.72

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Solution

The fourth proportional to 1,023,612.62, 1,535,363.52 and 313,642.72 is: 470,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,612.62 : 1,535,363.52 = 313,642.72 : x
  2. Step 2: Convert to fraction form
    1,023,612.62/1,535,363.52 = 313,642.72/x
  3. Step 3: Cross multiply
    1,023,612.62x = 1,535,363.52 × 313,642.72
  4. Step 4: Simplify right side
    1,023,612.62x = 481,555,590,601.57
  5. Step 5: Solve for x
    x = 481,555,590,601.57/1,023,612.62
  6. Step 6: Final answer
    x = 470,447.10

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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.