Home / 1,213,234.86-1,820,044.53-403,648.14

Finding the Fourth Proportional to 1,213,234.86, 1,820,044.53 and 403,648.14

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Solution

The fourth proportional to 1,213,234.86, 1,820,044.53 and 403,648.14 is: 605,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,234.86 : 1,820,044.53 = 403,648.14 : x
  2. Step 2: Convert to fraction form
    1,213,234.86/1,820,044.53 = 403,648.14/x
  3. Step 3: Cross multiply
    1,213,234.86x = 1,820,044.53 × 403,648.14
  4. Step 4: Simplify right side
    1,213,234.86x = 734,657,589,251.67
  5. Step 5: Solve for x
    x = 734,657,589,251.67/1,213,234.86
  6. Step 6: Final answer
    x = 605,536.17

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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.