Home / 435,964.80-653,947.20-401,847.60

Finding the Fourth Proportional to 435,964.80, 653,947.20 and 401,847.60

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Solution

The fourth proportional to 435,964.80, 653,947.20 and 401,847.60 is: 602,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,964.80 : 653,947.20 = 401,847.60 : x
  2. Step 2: Convert to fraction form
    435,964.80/653,947.20 = 401,847.60/x
  3. Step 3: Cross multiply
    435,964.80x = 653,947.20 × 401,847.60
  4. Step 4: Simplify right side
    435,964.80x = 262,787,112,846.72
  5. Step 5: Solve for x
    x = 262,787,112,846.72/435,964.80
  6. Step 6: Final answer
    x = 602,771.40

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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.