Home / 1,432,796.19-1,977,180.75-788,112.33

Finding the Fourth Proportional to 1,432,796.19, 1,977,180.75 and 788,112.33

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Solution

The fourth proportional to 1,432,796.19, 1,977,180.75 and 788,112.33 is: 1,087,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,796.19 : 1,977,180.75 = 788,112.33 : x
  2. Step 2: Convert to fraction form
    1,432,796.19/1,977,180.75 = 788,112.33/x
  3. Step 3: Cross multiply
    1,432,796.19x = 1,977,180.75 × 788,112.33
  4. Step 4: Simplify right side
    1,432,796.19x = 1,558,240,527,713.65
  5. Step 5: Solve for x
    x = 1,558,240,527,713.65/1,432,796.19
  6. Step 6: Final answer
    x = 1,087,552.12

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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.