Home / 1,016,821.22-1,405,069.80-740,698.34

Finding the Fourth Proportional to 1,016,821.22, 1,405,069.80 and 740,698.34

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Solution

The fourth proportional to 1,016,821.22, 1,405,069.80 and 740,698.34 is: 1,023,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,821.22 : 1,405,069.80 = 740,698.34 : x
  2. Step 2: Convert to fraction form
    1,016,821.22/1,405,069.80 = 740,698.34/x
  3. Step 3: Cross multiply
    1,016,821.22x = 1,405,069.80 × 740,698.34
  4. Step 4: Simplify right side
    1,016,821.22x = 1,040,732,868,444.13
  5. Step 5: Solve for x
    x = 1,040,732,868,444.13/1,016,821.22
  6. Step 6: Final answer
    x = 1,023,516.08

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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.