Home / 788,222.44-1,087,357.26-465,776.56

Finding the Fourth Proportional to 788,222.44, 1,087,357.26 and 465,776.56

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Solution

The fourth proportional to 788,222.44, 1,087,357.26 and 465,776.56 is: 642,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,222.44 : 1,087,357.26 = 465,776.56 : x
  2. Step 2: Convert to fraction form
    788,222.44/1,087,357.26 = 465,776.56/x
  3. Step 3: Cross multiply
    788,222.44x = 1,087,357.26 × 465,776.56
  4. Step 4: Simplify right side
    788,222.44x = 506,465,524,053.83
  5. Step 5: Solve for x
    x = 506,465,524,053.83/788,222.44
  6. Step 6: Final answer
    x = 642,541.37

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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.