Home / 685,772.82-1,029,053.04-535,591.53

Finding the Fourth Proportional to 685,772.82, 1,029,053.04 and 535,591.53

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Solution

The fourth proportional to 685,772.82, 1,029,053.04 and 535,591.53 is: 803,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,772.82 : 1,029,053.04 = 535,591.53 : x
  2. Step 2: Convert to fraction form
    685,772.82/1,029,053.04 = 535,591.53/x
  3. Step 3: Cross multiply
    685,772.82x = 1,029,053.04 × 535,591.53
  4. Step 4: Simplify right side
    685,772.82x = 551,152,092,144.75
  5. Step 5: Solve for x
    x = 551,152,092,144.75/685,772.82
  6. Step 6: Final answer
    x = 803,694.86

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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.