Home / 815,446.61-1,223,074.86-216,454.34

Finding the Fourth Proportional to 815,446.61, 1,223,074.86 and 216,454.34

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Solution

The fourth proportional to 815,446.61, 1,223,074.86 and 216,454.34 is: 324,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,446.61 : 1,223,074.86 = 216,454.34 : x
  2. Step 2: Convert to fraction form
    815,446.61/1,223,074.86 = 216,454.34/x
  3. Step 3: Cross multiply
    815,446.61x = 1,223,074.86 × 216,454.34
  4. Step 4: Simplify right side
    815,446.61x = 264,739,863,837.88
  5. Step 5: Solve for x
    x = 264,739,863,837.88/815,446.61
  6. Step 6: Final answer
    x = 324,656.28

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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.