Home / 831,715.43-1,147,774.15-459,190.35

Finding the Fourth Proportional to 831,715.43, 1,147,774.15 and 459,190.35

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Solution

The fourth proportional to 831,715.43, 1,147,774.15 and 459,190.35 is: 633,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,715.43 : 1,147,774.15 = 459,190.35 : x
  2. Step 2: Convert to fraction form
    831,715.43/1,147,774.15 = 459,190.35/x
  3. Step 3: Cross multiply
    831,715.43x = 1,147,774.15 × 459,190.35
  4. Step 4: Simplify right side
    831,715.43x = 527,046,814,233.44
  5. Step 5: Solve for x
    x = 527,046,814,233.44/831,715.43
  6. Step 6: Final answer
    x = 633,686.47

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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.