Home / 815,848.34-1,223,352.32-366,183.72

Finding the Fourth Proportional to 815,848.34, 1,223,352.32 and 366,183.72

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Solution

The fourth proportional to 815,848.34, 1,223,352.32 and 366,183.72 is: 549,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,848.34 : 1,223,352.32 = 366,183.72 : x
  2. Step 2: Convert to fraction form
    815,848.34/1,223,352.32 = 366,183.72/x
  3. Step 3: Cross multiply
    815,848.34x = 1,223,352.32 × 366,183.72
  4. Step 4: Simplify right side
    815,848.34x = 447,971,701,577.31
  5. Step 5: Solve for x
    x = 447,971,701,577.31/815,848.34
  6. Step 6: Final answer
    x = 549,086.98

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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.