Home / 1,405,234.17-1,939,222.62-760,659.66

Finding the Fourth Proportional to 1,405,234.17, 1,939,222.62 and 760,659.66

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Solution

The fourth proportional to 1,405,234.17, 1,939,222.62 and 760,659.66 is: 1,049,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,234.17 : 1,939,222.62 = 760,659.66 : x
  2. Step 2: Convert to fraction form
    1,405,234.17/1,939,222.62 = 760,659.66/x
  3. Step 3: Cross multiply
    1,405,234.17x = 1,939,222.62 × 760,659.66
  4. Step 4: Simplify right side
    1,405,234.17x = 1,475,088,418,793.51
  5. Step 5: Solve for x
    x = 1,475,088,418,793.51/1,405,234.17
  6. Step 6: Final answer
    x = 1,049,710.04

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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.