Home / 1,121,212.57-1,681,758.55-552,026.25

Finding the Fourth Proportional to 1,121,212.57, 1,681,758.55 and 552,026.25

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Solution

The fourth proportional to 1,121,212.57, 1,681,758.55 and 552,026.25 is: 828,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,212.57 : 1,681,758.55 = 552,026.25 : x
  2. Step 2: Convert to fraction form
    1,121,212.57/1,681,758.55 = 552,026.25/x
  3. Step 3: Cross multiply
    1,121,212.57x = 1,681,758.55 × 552,026.25
  4. Step 4: Simplify right side
    1,121,212.57x = 928,374,865,761.94
  5. Step 5: Solve for x
    x = 928,374,865,761.94/1,121,212.57
  6. Step 6: Final answer
    x = 828,009.68

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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.