Home / 582,291.56-872,899.36-312,609.51

Finding the Fourth Proportional to 582,291.56, 872,899.36 and 312,609.51

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Solution

The fourth proportional to 582,291.56, 872,899.36 and 312,609.51 is: 468,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,291.56 : 872,899.36 = 312,609.51 : x
  2. Step 2: Convert to fraction form
    582,291.56/872,899.36 = 312,609.51/x
  3. Step 3: Cross multiply
    582,291.56x = 872,899.36 × 312,609.51
  4. Step 4: Simplify right side
    582,291.56x = 272,876,640,427.39
  5. Step 5: Solve for x
    x = 272,876,640,427.39/582,291.56
  6. Step 6: Final answer
    x = 468,625.44

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Double scale
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Similar ratio
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1.5x scale

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.