Home / 516,961.81-713,360.23-299,132.83

Finding the Fourth Proportional to 516,961.81, 713,360.23 and 299,132.83

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Solution

The fourth proportional to 516,961.81, 713,360.23 and 299,132.83 is: 412,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,961.81 : 713,360.23 = 299,132.83 : x
  2. Step 2: Convert to fraction form
    516,961.81/713,360.23 = 299,132.83/x
  3. Step 3: Cross multiply
    516,961.81x = 713,360.23 × 299,132.83
  4. Step 4: Simplify right side
    516,961.81x = 213,389,466,235.84
  5. Step 5: Solve for x
    x = 213,389,466,235.84/516,961.81
  6. Step 6: Final answer
    x = 412,776.07

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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.