Home / 1,251,389.25-1,860,985.94-1,211,530.77

Finding the Fourth Proportional to 1,251,389.25, 1,860,985.94 and 1,211,530.77

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Solution

The fourth proportional to 1,251,389.25, 1,860,985.94 and 1,211,530.77 is: 1,801,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,389.25 : 1,860,985.94 = 1,211,530.77 : x
  2. Step 2: Convert to fraction form
    1,251,389.25/1,860,985.94 = 1,211,530.77/x
  3. Step 3: Cross multiply
    1,251,389.25x = 1,860,985.94 × 1,211,530.77
  4. Step 4: Simplify right side
    1,251,389.25x = 2,254,641,722,789.72
  5. Step 5: Solve for x
    x = 2,254,641,722,789.72/1,251,389.25
  6. Step 6: Final answer
    x = 1,801,710.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.