Home / 484,499.72-668,603.07-269,639.72

Finding the Fourth Proportional to 484,499.72, 668,603.07 and 269,639.72

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Solution

The fourth proportional to 484,499.72, 668,603.07 and 269,639.72 is: 372,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,499.72 : 668,603.07 = 269,639.72 : x
  2. Step 2: Convert to fraction form
    484,499.72/668,603.07 = 269,639.72/x
  3. Step 3: Cross multiply
    484,499.72x = 668,603.07 × 269,639.72
  4. Step 4: Simplify right side
    484,499.72x = 180,281,941,242.93
  5. Step 5: Solve for x
    x = 180,281,941,242.93/484,499.72
  6. Step 6: Final answer
    x = 372,099.17

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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.