Home / 545,904.30-753,340.30-304,197.06

Finding the Fourth Proportional to 545,904.30, 753,340.30 and 304,197.06

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Solution

The fourth proportional to 545,904.30, 753,340.30 and 304,197.06 is: 419,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,904.30 : 753,340.30 = 304,197.06 : x
  2. Step 2: Convert to fraction form
    545,904.30/753,340.30 = 304,197.06/x
  3. Step 3: Cross multiply
    545,904.30x = 753,340.30 × 304,197.06
  4. Step 4: Simplify right side
    545,904.30x = 229,163,904,439.52
  5. Step 5: Solve for x
    x = 229,163,904,439.52/545,904.30
  6. Step 6: Final answer
    x = 419,787.69

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1.5x scale

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.