Home / 465,040.35-641,705.98-261,113.69

Finding the Fourth Proportional to 465,040.35, 641,705.98 and 261,113.69

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Solution

The fourth proportional to 465,040.35, 641,705.98 and 261,113.69 is: 360,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,040.35 : 641,705.98 = 261,113.69 : x
  2. Step 2: Convert to fraction form
    465,040.35/641,705.98 = 261,113.69/x
  3. Step 3: Cross multiply
    465,040.35x = 641,705.98 × 261,113.69
  4. Step 4: Simplify right side
    465,040.35x = 167,558,216,332.87
  5. Step 5: Solve for x
    x = 167,558,216,332.87/465,040.35
  6. Step 6: Final answer
    x = 360,308.98

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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.