Home / 1,211,233.77-1,671,494.38-667,356.94

Finding the Fourth Proportional to 1,211,233.77, 1,671,494.38 and 667,356.94

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Solution

The fourth proportional to 1,211,233.77, 1,671,494.38 and 667,356.94 is: 920,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,233.77 : 1,671,494.38 = 667,356.94 : x
  2. Step 2: Convert to fraction form
    1,211,233.77/1,671,494.38 = 667,356.94/x
  3. Step 3: Cross multiply
    1,211,233.77x = 1,671,494.38 × 667,356.94
  4. Step 4: Simplify right side
    1,211,233.77x = 1,115,483,378,838.86
  5. Step 5: Solve for x
    x = 1,115,483,378,838.86/1,211,233.77
  6. Step 6: Final answer
    x = 920,948.05

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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.