Home / 643,337.26-964,725.53-216,793.59

Finding the Fourth Proportional to 643,337.26, 964,725.53 and 216,793.59

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Solution

The fourth proportional to 643,337.26, 964,725.53 and 216,793.59 is: 325,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,337.26 : 964,725.53 = 216,793.59 : x
  2. Step 2: Convert to fraction form
    643,337.26/964,725.53 = 216,793.59/x
  3. Step 3: Cross multiply
    643,337.26x = 964,725.53 × 216,793.59
  4. Step 4: Simplify right side
    643,337.26x = 209,146,309,939.55
  5. Step 5: Solve for x
    x = 209,146,309,939.55/643,337.26
  6. Step 6: Final answer
    x = 325,095.91

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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.