Home / 1,531,859.40-2,297,801.60-521,211.04

Finding the Fourth Proportional to 1,531,859.40, 2,297,801.60 and 521,211.04

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Solution

The fourth proportional to 1,531,859.40, 2,297,801.60 and 521,211.04 is: 781,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,859.40 : 2,297,801.60 = 521,211.04 : x
  2. Step 2: Convert to fraction form
    1,531,859.40/2,297,801.60 = 521,211.04/x
  3. Step 3: Cross multiply
    1,531,859.40x = 2,297,801.60 × 521,211.04
  4. Step 4: Simplify right side
    1,531,859.40x = 1,197,639,561,649.66
  5. Step 5: Solve for x
    x = 1,197,639,561,649.66/1,531,859.40
  6. Step 6: Final answer
    x = 781,820.81

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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.