Home / 547,573.68-821,426.04-210,535.92

Finding the Fourth Proportional to 547,573.68, 821,426.04 and 210,535.92

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Solution

The fourth proportional to 547,573.68, 821,426.04 and 210,535.92 is: 315,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,573.68 : 821,426.04 = 210,535.92 : x
  2. Step 2: Convert to fraction form
    547,573.68/821,426.04 = 210,535.92/x
  3. Step 3: Cross multiply
    547,573.68x = 821,426.04 × 210,535.92
  4. Step 4: Simplify right side
    547,573.68x = 172,939,687,043.36
  5. Step 5: Solve for x
    x = 172,939,687,043.36/547,573.68
  6. Step 6: Final answer
    x = 315,829.07

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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.