Home / 831,724.96-1,147,787.28-459,199.84

Finding the Fourth Proportional to 831,724.96, 1,147,787.28 and 459,199.84

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Solution

The fourth proportional to 831,724.96, 1,147,787.28 and 459,199.84 is: 633,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,724.96 : 1,147,787.28 = 459,199.84 : x
  2. Step 2: Convert to fraction form
    831,724.96/1,147,787.28 = 459,199.84/x
  3. Step 3: Cross multiply
    831,724.96x = 1,147,787.28 × 459,199.84
  4. Step 4: Simplify right side
    831,724.96x = 527,063,735,330.04
  5. Step 5: Solve for x
    x = 527,063,735,330.04/831,724.96
  6. Step 6: Final answer
    x = 633,699.55

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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.