Home / 1,858,510.51-2,787,914.78-706,309.06

Finding the Fourth Proportional to 1,858,510.51, 2,787,914.78 and 706,309.06

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Solution

The fourth proportional to 1,858,510.51, 2,787,914.78 and 706,309.06 is: 1,059,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,510.51 : 2,787,914.78 = 706,309.06 : x
  2. Step 2: Convert to fraction form
    1,858,510.51/2,787,914.78 = 706,309.06/x
  3. Step 3: Cross multiply
    1,858,510.51x = 2,787,914.78 × 706,309.06
  4. Step 4: Simplify right side
    1,858,510.51x = 1,969,129,467,621.91
  5. Step 5: Solve for x
    x = 1,969,129,467,621.91/1,858,510.51
  6. Step 6: Final answer
    x = 1,059,520.22

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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.