Home / 883,551.82-1,324,568.70-307,100.20

Finding the Fourth Proportional to 883,551.82, 1,324,568.70 and 307,100.20

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Solution

The fourth proportional to 883,551.82, 1,324,568.70 and 307,100.20 is: 460,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,551.82 : 1,324,568.70 = 307,100.20 : x
  2. Step 2: Convert to fraction form
    883,551.82/1,324,568.70 = 307,100.20/x
  3. Step 3: Cross multiply
    883,551.82x = 1,324,568.70 × 307,100.20
  4. Step 4: Simplify right side
    883,551.82x = 406,775,312,683.74
  5. Step 5: Solve for x
    x = 406,775,312,683.74/883,551.82
  6. Step 6: Final answer
    x = 460,386.48

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Double scale
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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.