Home / 767,680.31-1,059,056.51-445,203.52

Finding the Fourth Proportional to 767,680.31, 1,059,056.51 and 445,203.52

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Solution

The fourth proportional to 767,680.31, 1,059,056.51 and 445,203.52 is: 614,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,680.31 : 1,059,056.51 = 445,203.52 : x
  2. Step 2: Convert to fraction form
    767,680.31/1,059,056.51 = 445,203.52/x
  3. Step 3: Cross multiply
    767,680.31x = 1,059,056.51 × 445,203.52
  4. Step 4: Simplify right side
    767,680.31x = 471,495,681,257.26
  5. Step 5: Solve for x
    x = 471,495,681,257.26/767,680.31
  6. Step 6: Final answer
    x = 614,182.33

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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.