Home / 831,114.60-1,246,211.10-357,719.40

Finding the Fourth Proportional to 831,114.60, 1,246,211.10 and 357,719.40

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Solution

The fourth proportional to 831,114.60, 1,246,211.10 and 357,719.40 is: 536,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,114.60 : 1,246,211.10 = 357,719.40 : x
  2. Step 2: Convert to fraction form
    831,114.60/1,246,211.10 = 357,719.40/x
  3. Step 3: Cross multiply
    831,114.60x = 1,246,211.10 × 357,719.40
  4. Step 4: Simplify right side
    831,114.60x = 445,793,886,965.34
  5. Step 5: Solve for x
    x = 445,793,886,965.34/831,114.60
  6. Step 6: Final answer
    x = 536,380.77

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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.