Home / 1,200,157.17-1,656,164.17-684,022.77

Finding the Fourth Proportional to 1,200,157.17, 1,656,164.17 and 684,022.77

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Solution

The fourth proportional to 1,200,157.17, 1,656,164.17 and 684,022.77 is: 943,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,157.17 : 1,656,164.17 = 684,022.77 : x
  2. Step 2: Convert to fraction form
    1,200,157.17/1,656,164.17 = 684,022.77/x
  3. Step 3: Cross multiply
    1,200,157.17x = 1,656,164.17 × 684,022.77
  4. Step 4: Simplify right side
    1,200,157.17x = 1,132,854,003,138.15
  5. Step 5: Solve for x
    x = 1,132,854,003,138.15/1,200,157.17
  6. Step 6: Final answer
    x = 943,921.37

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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.