Home / 1,858,508.51-2,787,911.78-706,307.06

Finding the Fourth Proportional to 1,858,508.51, 2,787,911.78 and 706,307.06

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Solution

The fourth proportional to 1,858,508.51, 2,787,911.78 and 706,307.06 is: 1,059,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,508.51 : 2,787,911.78 = 706,307.06 : x
  2. Step 2: Convert to fraction form
    1,858,508.51/2,787,911.78 = 706,307.06/x
  3. Step 3: Cross multiply
    1,858,508.51x = 2,787,911.78 × 706,307.06
  4. Step 4: Simplify right side
    1,858,508.51x = 1,969,121,772,871.17
  5. Step 5: Solve for x
    x = 1,969,121,772,871.17/1,858,508.51
  6. Step 6: Final answer
    x = 1,059,517.22

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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.