Home / 1,405,177.75-1,939,150.14-760,597.77

Finding the Fourth Proportional to 1,405,177.75, 1,939,150.14 and 760,597.77

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Solution

The fourth proportional to 1,405,177.75, 1,939,150.14 and 760,597.77 is: 1,049,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,177.75 : 1,939,150.14 = 760,597.77 : x
  2. Step 2: Convert to fraction form
    1,405,177.75/1,939,150.14 = 760,597.77/x
  3. Step 3: Cross multiply
    1,405,177.75x = 1,939,150.14 × 760,597.77
  4. Step 4: Simplify right side
    1,405,177.75x = 1,474,913,272,179.19
  5. Step 5: Solve for x
    x = 1,474,913,272,179.19/1,405,177.75
  6. Step 6: Final answer
    x = 1,049,627.55

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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.