Home / 548,934.52-757,563.02-307,212.16

Finding the Fourth Proportional to 548,934.52, 757,563.02 and 307,212.16

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Solution

The fourth proportional to 548,934.52, 757,563.02 and 307,212.16 is: 423,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,934.52 : 757,563.02 = 307,212.16 : x
  2. Step 2: Convert to fraction form
    548,934.52/757,563.02 = 307,212.16/x
  3. Step 3: Cross multiply
    548,934.52x = 757,563.02 × 307,212.16
  4. Step 4: Simplify right side
    548,934.52x = 232,732,571,710.32
  5. Step 5: Solve for x
    x = 232,732,571,710.32/548,934.52
  6. Step 6: Final answer
    x = 423,971.46

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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.