Home / 831,938.56-1,147,976.44-469,341.24

Finding the Fourth Proportional to 831,938.56, 1,147,976.44 and 469,341.24

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Solution

The fourth proportional to 831,938.56, 1,147,976.44 and 469,341.24 is: 647,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,938.56 : 1,147,976.44 = 469,341.24 : x
  2. Step 2: Convert to fraction form
    831,938.56/1,147,976.44 = 469,341.24/x
  3. Step 3: Cross multiply
    831,938.56x = 1,147,976.44 × 469,341.24
  4. Step 4: Simplify right side
    831,938.56x = 538,792,685,840.39
  5. Step 5: Solve for x
    x = 538,792,685,840.39/831,938.56
  6. Step 6: Final answer
    x = 647,635.19

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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.