Home / 782,767.80-1,174,261.05-333,485.10

Finding the Fourth Proportional to 782,767.80, 1,174,261.05 and 333,485.10

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Solution

The fourth proportional to 782,767.80, 1,174,261.05 and 333,485.10 is: 500,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,767.80 : 1,174,261.05 = 333,485.10 : x
  2. Step 2: Convert to fraction form
    782,767.80/1,174,261.05 = 333,485.10/x
  3. Step 3: Cross multiply
    782,767.80x = 1,174,261.05 × 333,485.10
  4. Step 4: Simplify right side
    782,767.80x = 391,598,563,685.36
  5. Step 5: Solve for x
    x = 391,598,563,685.36/782,767.80
  6. Step 6: Final answer
    x = 500,274.24

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Double scale
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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.