Home / 929,897.06-1,283,204.49-521,960.90

Finding the Fourth Proportional to 929,897.06, 1,283,204.49 and 521,960.90

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Solution

The fourth proportional to 929,897.06, 1,283,204.49 and 521,960.90 is: 720,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,897.06 : 1,283,204.49 = 521,960.90 : x
  2. Step 2: Convert to fraction form
    929,897.06/1,283,204.49 = 521,960.90/x
  3. Step 3: Cross multiply
    929,897.06x = 1,283,204.49 × 521,960.90
  4. Step 4: Simplify right side
    929,897.06x = 669,782,570,484.44
  5. Step 5: Solve for x
    x = 669,782,570,484.44/929,897.06
  6. Step 6: Final answer
    x = 720,276.04

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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.