Home / 1,226,415.12-1,692,452.86-682,679.36

Finding the Fourth Proportional to 1,226,415.12, 1,692,452.86 and 682,679.36

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Solution

The fourth proportional to 1,226,415.12, 1,692,452.86 and 682,679.36 is: 942,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,415.12 : 1,692,452.86 = 682,679.36 : x
  2. Step 2: Convert to fraction form
    1,226,415.12/1,692,452.86 = 682,679.36/x
  3. Step 3: Cross multiply
    1,226,415.12x = 1,692,452.86 × 682,679.36
  4. Step 4: Simplify right side
    1,226,415.12x = 1,155,402,626,832.71
  5. Step 5: Solve for x
    x = 1,155,402,626,832.71/1,226,415.12
  6. Step 6: Final answer
    x = 942,097.51

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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.