Home / 936,710.82-1,405,064.16-723,788.28

Finding the Fourth Proportional to 936,710.82, 1,405,064.16 and 723,788.28

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Solution

The fourth proportional to 936,710.82, 1,405,064.16 and 723,788.28 is: 1,085,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,710.82 : 1,405,064.16 = 723,788.28 : x
  2. Step 2: Convert to fraction form
    936,710.82/1,405,064.16 = 723,788.28/x
  3. Step 3: Cross multiply
    936,710.82x = 1,405,064.16 × 723,788.28
  4. Step 4: Simplify right side
    936,710.82x = 1,016,968,971,656.04
  5. Step 5: Solve for x
    x = 1,016,968,971,656.04/936,710.82
  6. Step 6: Final answer
    x = 1,085,680.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.