Home / 812,792.52-1,219,422.06-531,962.28

Finding the Fourth Proportional to 812,792.52, 1,219,422.06 and 531,962.28

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Solution

The fourth proportional to 812,792.52, 1,219,422.06 and 531,962.28 is: 798,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,792.52 : 1,219,422.06 = 531,962.28 : x
  2. Step 2: Convert to fraction form
    812,792.52/1,219,422.06 = 531,962.28/x
  3. Step 3: Cross multiply
    812,792.52x = 1,219,422.06 × 531,962.28
  4. Step 4: Simplify right side
    812,792.52x = 648,686,539,319.90
  5. Step 5: Solve for x
    x = 648,686,539,319.90/812,792.52
  6. Step 6: Final answer
    x = 798,096.10

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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.