Home / 881,773.70-1,216,942.86-499,759.46

Finding the Fourth Proportional to 881,773.70, 1,216,942.86 and 499,759.46

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Solution

The fourth proportional to 881,773.70, 1,216,942.86 and 499,759.46 is: 689,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,773.70 : 1,216,942.86 = 499,759.46 : x
  2. Step 2: Convert to fraction form
    881,773.70/1,216,942.86 = 499,759.46/x
  3. Step 3: Cross multiply
    881,773.70x = 1,216,942.86 × 499,759.46
  4. Step 4: Simplify right side
    881,773.70x = 608,178,706,564.46
  5. Step 5: Solve for x
    x = 608,178,706,564.46/881,773.70
  6. Step 6: Final answer
    x = 689,721.98

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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.