Home / 409,108.29-564,474.33-247,928.01

Finding the Fourth Proportional to 409,108.29, 564,474.33 and 247,928.01

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Solution

The fourth proportional to 409,108.29, 564,474.33 and 247,928.01 is: 342,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,108.29 : 564,474.33 = 247,928.01 : x
  2. Step 2: Convert to fraction form
    409,108.29/564,474.33 = 247,928.01/x
  3. Step 3: Cross multiply
    409,108.29x = 564,474.33 × 247,928.01
  4. Step 4: Simplify right side
    409,108.29x = 139,948,997,332.98
  5. Step 5: Solve for x
    x = 139,948,997,332.98/409,108.29
  6. Step 6: Final answer
    x = 342,083.02

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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.