Home / 831,635.51-1,147,655.44-469,058.24

Finding the Fourth Proportional to 831,635.51, 1,147,655.44 and 469,058.24

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Solution

The fourth proportional to 831,635.51, 1,147,655.44 and 469,058.24 is: 647,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,635.51 : 1,147,655.44 = 469,058.24 : x
  2. Step 2: Convert to fraction form
    831,635.51/1,147,655.44 = 469,058.24/x
  3. Step 3: Cross multiply
    831,635.51x = 1,147,655.44 × 469,058.24
  4. Step 4: Simplify right side
    831,635.51x = 538,317,241,629.83
  5. Step 5: Solve for x
    x = 538,317,241,629.83/831,635.51
  6. Step 6: Final answer
    x = 647,299.49

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Double scale
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1.5x scale

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.