Home / 528,261.12-792,435.84-247,628.16

Finding the Fourth Proportional to 528,261.12, 792,435.84 and 247,628.16

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Solution

The fourth proportional to 528,261.12, 792,435.84 and 247,628.16 is: 371,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,261.12 : 792,435.84 = 247,628.16 : x
  2. Step 2: Convert to fraction form
    528,261.12/792,435.84 = 247,628.16/x
  3. Step 3: Cross multiply
    528,261.12x = 792,435.84 × 247,628.16
  4. Step 4: Simplify right side
    528,261.12x = 196,229,428,977.25
  5. Step 5: Solve for x
    x = 196,229,428,977.25/528,261.12
  6. Step 6: Final answer
    x = 371,462.94

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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.