Home / 1,416,939.43-1,955,376.47-772,359.61

Finding the Fourth Proportional to 1,416,939.43, 1,955,376.47 and 772,359.61

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Solution

The fourth proportional to 1,416,939.43, 1,955,376.47 and 772,359.61 is: 1,065,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,939.43 : 1,955,376.47 = 772,359.61 : x
  2. Step 2: Convert to fraction form
    1,416,939.43/1,955,376.47 = 772,359.61/x
  3. Step 3: Cross multiply
    1,416,939.43x = 1,955,376.47 × 772,359.61
  4. Step 4: Simplify right side
    1,416,939.43x = 1,510,253,809,636.14
  5. Step 5: Solve for x
    x = 1,510,253,809,636.14/1,416,939.43
  6. Step 6: Final answer
    x = 1,065,856.29

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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.