Home / 917,932.19-1,266,338.85-611,710.26

Finding the Fourth Proportional to 917,932.19, 1,266,338.85 and 611,710.26

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Solution

The fourth proportional to 917,932.19, 1,266,338.85 and 611,710.26 is: 843,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,932.19 : 1,266,338.85 = 611,710.26 : x
  2. Step 2: Convert to fraction form
    917,932.19/1,266,338.85 = 611,710.26/x
  3. Step 3: Cross multiply
    917,932.19x = 1,266,338.85 × 611,710.26
  4. Step 4: Simplify right side
    917,932.19x = 774,632,467,181.60
  5. Step 5: Solve for x
    x = 774,632,467,181.60/917,932.19
  6. Step 6: Final answer
    x = 843,888.56

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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.