Home / 5,280,392.37-7,286,689.50-3,242,808.21

Finding the Fourth Proportional to 5,280,392.37, 7,286,689.50 and 3,242,808.21

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Solution

The fourth proportional to 5,280,392.37, 7,286,689.50 and 3,242,808.21 is: 4,474,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,392.37 : 7,286,689.50 = 3,242,808.21 : x
  2. Step 2: Convert to fraction form
    5,280,392.37/7,286,689.50 = 3,242,808.21/x
  3. Step 3: Cross multiply
    5,280,392.37x = 7,286,689.50 × 3,242,808.21
  4. Step 4: Simplify right side
    5,280,392.37x = 23,629,336,534,320.79
  5. Step 5: Solve for x
    x = 23,629,336,534,320.79/5,280,392.37
  6. Step 6: Final answer
    x = 4,474,920.59

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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.