Home / 1,405,173.74-1,939,144.61-760,593.77

Finding the Fourth Proportional to 1,405,173.74, 1,939,144.61 and 760,593.77

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Solution

The fourth proportional to 1,405,173.74, 1,939,144.61 and 760,593.77 is: 1,049,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,173.74 : 1,939,144.61 = 760,593.77 : x
  2. Step 2: Convert to fraction form
    1,405,173.74/1,939,144.61 = 760,593.77/x
  3. Step 3: Cross multiply
    1,405,173.74x = 1,939,144.61 × 760,593.77
  4. Step 4: Simplify right side
    1,405,173.74x = 1,474,901,301,700.84
  5. Step 5: Solve for x
    x = 1,474,901,301,700.84/1,405,173.74
  6. Step 6: Final answer
    x = 1,049,622.02

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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.