Home / 1,395,570.40-1,925,777.36-791,958.40

Finding the Fourth Proportional to 1,395,570.40, 1,925,777.36 and 791,958.40

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Solution

The fourth proportional to 1,395,570.40, 1,925,777.36 and 791,958.40 is: 1,092,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,570.40 : 1,925,777.36 = 791,958.40 : x
  2. Step 2: Convert to fraction form
    1,395,570.40/1,925,777.36 = 791,958.40/x
  3. Step 3: Cross multiply
    1,395,570.40x = 1,925,777.36 × 791,958.40
  4. Step 4: Simplify right side
    1,395,570.40x = 1,525,135,556,781.82
  5. Step 5: Solve for x
    x = 1,525,135,556,781.82/1,395,570.40
  6. Step 6: Final answer
    x = 1,092,840.29

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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.