Home / 893,340.91-1,232,809.52-485,441.78

Finding the Fourth Proportional to 893,340.91, 1,232,809.52 and 485,441.78

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Solution

The fourth proportional to 893,340.91, 1,232,809.52 and 485,441.78 is: 669,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,340.91 : 1,232,809.52 = 485,441.78 : x
  2. Step 2: Convert to fraction form
    893,340.91/1,232,809.52 = 485,441.78/x
  3. Step 3: Cross multiply
    893,340.91x = 1,232,809.52 × 485,441.78
  4. Step 4: Simplify right side
    893,340.91x = 598,457,250,965.62
  5. Step 5: Solve for x
    x = 598,457,250,965.62/893,340.91
  6. Step 6: Final answer
    x = 669,909.15

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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.