Home / 349,090.41-522,602.25-215,541.26

Finding the Fourth Proportional to 349,090.41, 522,602.25 and 215,541.26

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Solution

The fourth proportional to 349,090.41, 522,602.25 and 215,541.26 is: 322,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,090.41 : 522,602.25 = 215,541.26 : x
  2. Step 2: Convert to fraction form
    349,090.41/522,602.25 = 215,541.26/x
  3. Step 3: Cross multiply
    349,090.41x = 522,602.25 × 215,541.26
  4. Step 4: Simplify right side
    349,090.41x = 112,642,347,443.84
  5. Step 5: Solve for x
    x = 112,642,347,443.84/349,090.41
  6. Step 6: Final answer
    x = 322,673.85

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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.