Home / 528,464.47-792,694.57-191,426.25

Finding the Fourth Proportional to 528,464.47, 792,694.57 and 191,426.25

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Solution

The fourth proportional to 528,464.47, 792,694.57 and 191,426.25 is: 287,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,464.47 : 792,694.57 = 191,426.25 : x
  2. Step 2: Convert to fraction form
    528,464.47/792,694.57 = 191,426.25/x
  3. Step 3: Cross multiply
    528,464.47x = 792,694.57 × 191,426.25
  4. Step 4: Simplify right side
    528,464.47x = 151,742,548,930.46
  5. Step 5: Solve for x
    x = 151,742,548,930.46/528,464.47
  6. Step 6: Final answer
    x = 287,138.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.