Home / 957,945.96-1,321,935.12-528,244.20

Finding the Fourth Proportional to 957,945.96, 1,321,935.12 and 528,244.20

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Solution

The fourth proportional to 957,945.96, 1,321,935.12 and 528,244.20 is: 728,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,945.96 : 1,321,935.12 = 528,244.20 : x
  2. Step 2: Convert to fraction form
    957,945.96/1,321,935.12 = 528,244.20/x
  3. Step 3: Cross multiply
    957,945.96x = 1,321,935.12 × 528,244.20
  4. Step 4: Simplify right side
    957,945.96x = 698,304,559,916.30
  5. Step 5: Solve for x
    x = 698,304,559,916.30/957,945.96
  6. Step 6: Final answer
    x = 728,960.28

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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.