Home / 769,057.31-1,153,588.80-236,574.65

Finding the Fourth Proportional to 769,057.31, 1,153,588.80 and 236,574.65

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Solution

The fourth proportional to 769,057.31, 1,153,588.80 and 236,574.65 is: 354,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,057.31 : 1,153,588.80 = 236,574.65 : x
  2. Step 2: Convert to fraction form
    769,057.31/1,153,588.80 = 236,574.65/x
  3. Step 3: Cross multiply
    769,057.31x = 1,153,588.80 × 236,574.65
  4. Step 4: Simplify right side
    769,057.31x = 272,909,866,603.92
  5. Step 5: Solve for x
    x = 272,909,866,603.92/769,057.31
  6. Step 6: Final answer
    x = 354,862.85

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Double scale
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Similar ratio
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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.