Home / 767,787.36-1,059,539.54-423,626.46

Finding the Fourth Proportional to 767,787.36, 1,059,539.54 and 423,626.46

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Solution

The fourth proportional to 767,787.36, 1,059,539.54 and 423,626.46 is: 584,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,787.36 : 1,059,539.54 = 423,626.46 : x
  2. Step 2: Convert to fraction form
    767,787.36/1,059,539.54 = 423,626.46/x
  3. Step 3: Cross multiply
    767,787.36x = 1,059,539.54 × 423,626.46
  4. Step 4: Simplify right side
    767,787.36x = 448,848,978,468.82
  5. Step 5: Solve for x
    x = 448,848,978,468.82/767,787.36
  6. Step 6: Final answer
    x = 584,600.64

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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.