Home / 1,092,819.60-1,638,573.30-561,378.60

Finding the Fourth Proportional to 1,092,819.60, 1,638,573.30 and 561,378.60

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Solution

The fourth proportional to 1,092,819.60, 1,638,573.30 and 561,378.60 is: 841,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,819.60 : 1,638,573.30 = 561,378.60 : x
  2. Step 2: Convert to fraction form
    1,092,819.60/1,638,573.30 = 561,378.60/x
  3. Step 3: Cross multiply
    1,092,819.60x = 1,638,573.30 × 561,378.60
  4. Step 4: Simplify right side
    1,092,819.60x = 919,859,985,151.38
  5. Step 5: Solve for x
    x = 919,859,985,151.38/1,092,819.60
  6. Step 6: Final answer
    x = 841,730.86

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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.