Home / 788,111.75-1,087,595.43-448,580

Finding the Fourth Proportional to 788,111.75, 1,087,595.43 and 448,580

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Solution

The fourth proportional to 788,111.75, 1,087,595.43 and 448,580 is: 619,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,111.75 : 1,087,595.43 = 448,580 : x
  2. Step 2: Convert to fraction form
    788,111.75/1,087,595.43 = 448,580/x
  3. Step 3: Cross multiply
    788,111.75x = 1,087,595.43 × 448,580
  4. Step 4: Simplify right side
    788,111.75x = 487,873,557,989.40
  5. Step 5: Solve for x
    x = 487,873,557,989.40/788,111.75
  6. Step 6: Final answer
    x = 619,041.09

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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.