Home / 816,037.71-1,226,123.21-516,659.07

Finding the Fourth Proportional to 816,037.71, 1,226,123.21 and 516,659.07

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Solution

The fourth proportional to 816,037.71, 1,226,123.21 and 516,659.07 is: 776,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,037.71 : 1,226,123.21 = 516,659.07 : x
  2. Step 2: Convert to fraction form
    816,037.71/1,226,123.21 = 516,659.07/x
  3. Step 3: Cross multiply
    816,037.71x = 1,226,123.21 × 516,659.07
  4. Step 4: Simplify right side
    816,037.71x = 633,487,674,800.72
  5. Step 5: Solve for x
    x = 633,487,674,800.72/816,037.71
  6. Step 6: Final answer
    x = 776,297.06

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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.