Home / 1,703,645.12-2,351,031.93-978,633.15

Finding the Fourth Proportional to 1,703,645.12, 2,351,031.93 and 978,633.15

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Solution

The fourth proportional to 1,703,645.12, 2,351,031.93 and 978,633.15 is: 1,350,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,645.12 : 2,351,031.93 = 978,633.15 : x
  2. Step 2: Convert to fraction form
    1,703,645.12/2,351,031.93 = 978,633.15/x
  3. Step 3: Cross multiply
    1,703,645.12x = 2,351,031.93 × 978,633.15
  4. Step 4: Simplify right side
    1,703,645.12x = 2,300,797,783,406.48
  5. Step 5: Solve for x
    x = 2,300,797,783,406.48/1,703,645.12
  6. Step 6: Final answer
    x = 1,350,514.70

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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.