Home / 1,531,342.26-2,297,223.54-520,192.80

Finding the Fourth Proportional to 1,531,342.26, 2,297,223.54 and 520,192.80

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Solution

The fourth proportional to 1,531,342.26, 2,297,223.54 and 520,192.80 is: 780,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,342.26 : 2,297,223.54 = 520,192.80 : x
  2. Step 2: Convert to fraction form
    1,531,342.26/2,297,223.54 = 520,192.80/x
  3. Step 3: Cross multiply
    1,531,342.26x = 2,297,223.54 × 520,192.80
  4. Step 4: Simplify right side
    1,531,342.26x = 1,194,999,145,498.51
  5. Step 5: Solve for x
    x = 1,194,999,145,498.51/1,531,342.26
  6. Step 6: Final answer
    x = 780,360.59

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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.