Home / 831,445.56-1,246,235.22-411,016.68

Finding the Fourth Proportional to 831,445.56, 1,246,235.22 and 411,016.68

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Solution

The fourth proportional to 831,445.56, 1,246,235.22 and 411,016.68 is: 616,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,445.56 : 1,246,235.22 = 411,016.68 : x
  2. Step 2: Convert to fraction form
    831,445.56/1,246,235.22 = 411,016.68/x
  3. Step 3: Cross multiply
    831,445.56x = 1,246,235.22 × 411,016.68
  4. Step 4: Simplify right side
    831,445.56x = 512,223,462,623.47
  5. Step 5: Solve for x
    x = 512,223,462,623.47/831,445.56
  6. Step 6: Final answer
    x = 616,063.74

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Double scale
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1.5x scale

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.