Home / 980,595.52-1,353,256.52-545,021.56

Finding the Fourth Proportional to 980,595.52, 1,353,256.52 and 545,021.56

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Solution

The fourth proportional to 980,595.52, 1,353,256.52 and 545,021.56 is: 752,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,595.52 : 1,353,256.52 = 545,021.56 : x
  2. Step 2: Convert to fraction form
    980,595.52/1,353,256.52 = 545,021.56/x
  3. Step 3: Cross multiply
    980,595.52x = 1,353,256.52 × 545,021.56
  4. Step 4: Simplify right side
    980,595.52x = 737,553,979,610.57
  5. Step 5: Solve for x
    x = 737,553,979,610.57/980,595.52
  6. Step 6: Final answer
    x = 752,149.04

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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.