Home / 866,283.66-1,300,015.98-520,358.58

Finding the Fourth Proportional to 866,283.66, 1,300,015.98 and 520,358.58

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Solution

The fourth proportional to 866,283.66, 1,300,015.98 and 520,358.58 is: 780,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,283.66 : 1,300,015.98 = 520,358.58 : x
  2. Step 2: Convert to fraction form
    866,283.66/1,300,015.98 = 520,358.58/x
  3. Step 3: Cross multiply
    866,283.66x = 1,300,015.98 × 520,358.58
  4. Step 4: Simplify right side
    866,283.66x = 676,474,469,330.11
  5. Step 5: Solve for x
    x = 676,474,469,330.11/866,283.66
  6. Step 6: Final answer
    x = 780,892.57

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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.