Home / 727,825.20-1,091,737.80-529,537.20

Finding the Fourth Proportional to 727,825.20, 1,091,737.80 and 529,537.20

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Solution

The fourth proportional to 727,825.20, 1,091,737.80 and 529,537.20 is: 794,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,825.20 : 1,091,737.80 = 529,537.20 : x
  2. Step 2: Convert to fraction form
    727,825.20/1,091,737.80 = 529,537.20/x
  3. Step 3: Cross multiply
    727,825.20x = 1,091,737.80 × 529,537.20
  4. Step 4: Simplify right side
    727,825.20x = 578,115,777,746.16
  5. Step 5: Solve for x
    x = 578,115,777,746.16/727,825.20
  6. Step 6: Final answer
    x = 794,305.80

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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.