Home / 545,979.59-753,441.60-304,256.84

Finding the Fourth Proportional to 545,979.59, 753,441.60 and 304,256.84

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Solution

The fourth proportional to 545,979.59, 753,441.60 and 304,256.84 is: 419,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,979.59 : 753,441.60 = 304,256.84 : x
  2. Step 2: Convert to fraction form
    545,979.59/753,441.60 = 304,256.84/x
  3. Step 3: Cross multiply
    545,979.59x = 753,441.60 × 304,256.84
  4. Step 4: Simplify right side
    545,979.59x = 229,239,760,340.54
  5. Step 5: Solve for x
    x = 229,239,760,340.54/545,979.59
  6. Step 6: Final answer
    x = 419,868.74

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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.