Home / 764,787.34-1,144,938.12-536,290.66

Finding the Fourth Proportional to 764,787.34, 1,144,938.12 and 536,290.66

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Solution

The fourth proportional to 764,787.34, 1,144,938.12 and 536,290.66 is: 802,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,787.34 : 1,144,938.12 = 536,290.66 : x
  2. Step 2: Convert to fraction form
    764,787.34/1,144,938.12 = 536,290.66/x
  3. Step 3: Cross multiply
    764,787.34x = 1,144,938.12 × 536,290.66
  4. Step 4: Simplify right side
    764,787.34x = 614,019,620,033.96
  5. Step 5: Solve for x
    x = 614,019,620,033.96/764,787.34
  6. Step 6: Final answer
    x = 802,863.21

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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.