Home / 1,416,705.76-1,954,996.92-772,112.16

Finding the Fourth Proportional to 1,416,705.76, 1,954,996.92 and 772,112.16

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Solution

The fourth proportional to 1,416,705.76, 1,954,996.92 and 772,112.16 is: 1,065,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,705.76 : 1,954,996.92 = 772,112.16 : x
  2. Step 2: Convert to fraction form
    1,416,705.76/1,954,996.92 = 772,112.16/x
  3. Step 3: Cross multiply
    1,416,705.76x = 1,954,996.92 × 772,112.16
  4. Step 4: Simplify right side
    1,416,705.76x = 1,509,476,894,694.55
  5. Step 5: Solve for x
    x = 1,509,476,894,694.55/1,416,705.76
  6. Step 6: Final answer
    x = 1,065,483.70

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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.