Home / 451,462.82-623,038.92-257,887.40

Finding the Fourth Proportional to 451,462.82, 623,038.92 and 257,887.40

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Solution

The fourth proportional to 451,462.82, 623,038.92 and 257,887.40 is: 355,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,462.82 : 623,038.92 = 257,887.40 : x
  2. Step 2: Convert to fraction form
    451,462.82/623,038.92 = 257,887.40/x
  3. Step 3: Cross multiply
    451,462.82x = 623,038.92 × 257,887.40
  4. Step 4: Simplify right side
    451,462.82x = 160,673,887,177.61
  5. Step 5: Solve for x
    x = 160,673,887,177.61/451,462.82
  6. Step 6: Final answer
    x = 355,896.17

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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.