Home / 467,938.40-645,762.56-263,993.27

Finding the Fourth Proportional to 467,938.40, 645,762.56 and 263,993.27

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Solution

The fourth proportional to 467,938.40, 645,762.56 and 263,993.27 is: 364,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,938.40 : 645,762.56 = 263,993.27 : x
  2. Step 2: Convert to fraction form
    467,938.40/645,762.56 = 263,993.27/x
  3. Step 3: Cross multiply
    467,938.40x = 645,762.56 × 263,993.27
  4. Step 4: Simplify right side
    467,938.40x = 170,476,965,309.19
  5. Step 5: Solve for x
    x = 170,476,965,309.19/467,938.40
  6. Step 6: Final answer
    x = 364,314.98

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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.