Home / 762,734-1,048,840.44-661,957.04

Finding the Fourth Proportional to 762,734, 1,048,840.44 and 661,957.04

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Solution

The fourth proportional to 762,734, 1,048,840.44 and 661,957.04 is: 910,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,734 : 1,048,840.44 = 661,957.04 : x
  2. Step 2: Convert to fraction form
    762,734/1,048,840.44 = 661,957.04/x
  3. Step 3: Cross multiply
    762,734x = 1,048,840.44 × 661,957.04
  4. Step 4: Simplify right side
    762,734x = 694,287,313,094.70
  5. Step 5: Solve for x
    x = 694,287,313,094.70/762,734
  6. Step 6: Final answer
    x = 910,261.39

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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.