Home / 1,298,108.14-1,791,497.10-717,444.65

Finding the Fourth Proportional to 1,298,108.14, 1,791,497.10 and 717,444.65

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Solution

The fourth proportional to 1,298,108.14, 1,791,497.10 and 717,444.65 is: 990,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,108.14 : 1,791,497.10 = 717,444.65 : x
  2. Step 2: Convert to fraction form
    1,298,108.14/1,791,497.10 = 717,444.65/x
  3. Step 3: Cross multiply
    1,298,108.14x = 1,791,497.10 × 717,444.65
  4. Step 4: Simplify right side
    1,298,108.14x = 1,285,300,004,287.09
  5. Step 5: Solve for x
    x = 1,285,300,004,287.09/1,298,108.14
  6. Step 6: Final answer
    x = 990,133.23

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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.