Home / 891,560.70-1,337,336.40-217,645.56

Finding the Fourth Proportional to 891,560.70, 1,337,336.40 and 217,645.56

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Solution

The fourth proportional to 891,560.70, 1,337,336.40 and 217,645.56 is: 326,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,560.70 : 1,337,336.40 = 217,645.56 : x
  2. Step 2: Convert to fraction form
    891,560.70/1,337,336.40 = 217,645.56/x
  3. Step 3: Cross multiply
    891,560.70x = 1,337,336.40 × 217,645.56
  4. Step 4: Simplify right side
    891,560.70x = 291,065,329,686.38
  5. Step 5: Solve for x
    x = 291,065,329,686.38/891,560.70
  6. Step 6: Final answer
    x = 326,467.20

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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.