Home / 305,240.73-457,883.04-80,598.92

Finding the Fourth Proportional to 305,240.73, 457,883.04 and 80,598.92

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Solution

The fourth proportional to 305,240.73, 457,883.04 and 80,598.92 is: 120,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,240.73 : 457,883.04 = 80,598.92 : x
  2. Step 2: Convert to fraction form
    305,240.73/457,883.04 = 80,598.92/x
  3. Step 3: Cross multiply
    305,240.73x = 457,883.04 × 80,598.92
  4. Step 4: Simplify right side
    305,240.73x = 36,904,878,510.32
  5. Step 5: Solve for x
    x = 36,904,878,510.32/305,240.73
  6. Step 6: Final answer
    x = 120,904.17

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1.5x scale

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.