Home / 1,787,171.70-2,466,313.31-971,377.26

Finding the Fourth Proportional to 1,787,171.70, 2,466,313.31 and 971,377.26

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Solution

The fourth proportional to 1,787,171.70, 2,466,313.31 and 971,377.26 is: 1,340,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,171.70 : 2,466,313.31 = 971,377.26 : x
  2. Step 2: Convert to fraction form
    1,787,171.70/2,466,313.31 = 971,377.26/x
  3. Step 3: Cross multiply
    1,787,171.70x = 2,466,313.31 × 971,377.26
  4. Step 4: Simplify right side
    1,787,171.70x = 2,395,720,672,422.11
  5. Step 5: Solve for x
    x = 2,395,720,672,422.11/1,787,171.70
  6. Step 6: Final answer
    x = 1,340,509.52

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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.