Home / 836,684.10-1,154,863.47-492,719.56

Finding the Fourth Proportional to 836,684.10, 1,154,863.47 and 492,719.56

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Solution

The fourth proportional to 836,684.10, 1,154,863.47 and 492,719.56 is: 680,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,684.10 : 1,154,863.47 = 492,719.56 : x
  2. Step 2: Convert to fraction form
    836,684.10/1,154,863.47 = 492,719.56/x
  3. Step 3: Cross multiply
    836,684.10x = 1,154,863.47 × 492,719.56
  4. Step 4: Simplify right side
    836,684.10x = 569,023,819,759.01
  5. Step 5: Solve for x
    x = 569,023,819,759.01/836,684.10
  6. Step 6: Final answer
    x = 680,093.98

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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.