Home / 781,021.52-1,170,320.54-541,602.42

Finding the Fourth Proportional to 781,021.52, 1,170,320.54 and 541,602.42

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Solution

The fourth proportional to 781,021.52, 1,170,320.54 and 541,602.42 is: 811,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,021.52 : 1,170,320.54 = 541,602.42 : x
  2. Step 2: Convert to fraction form
    781,021.52/1,170,320.54 = 541,602.42/x
  3. Step 3: Cross multiply
    781,021.52x = 1,170,320.54 × 541,602.42
  4. Step 4: Simplify right side
    781,021.52x = 633,848,433,931.70
  5. Step 5: Solve for x
    x = 633,848,433,931.70/781,021.52
  6. Step 6: Final answer
    x = 811,563.35

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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.