Home / 465,009.40-697,611.30-149,498.20

Finding the Fourth Proportional to 465,009.40, 697,611.30 and 149,498.20

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Solution

The fourth proportional to 465,009.40, 697,611.30 and 149,498.20 is: 224,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,009.40 : 697,611.30 = 149,498.20 : x
  2. Step 2: Convert to fraction form
    465,009.40/697,611.30 = 149,498.20/x
  3. Step 3: Cross multiply
    465,009.40x = 697,611.30 × 149,498.20
  4. Step 4: Simplify right side
    465,009.40x = 104,291,633,649.66
  5. Step 5: Solve for x
    x = 104,291,633,649.66/465,009.40
  6. Step 6: Final answer
    x = 224,278.55

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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.