Home / 516,975.21-713,320.17-302,073.76

Finding the Fourth Proportional to 516,975.21, 713,320.17 and 302,073.76

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Solution

The fourth proportional to 516,975.21, 713,320.17 and 302,073.76 is: 416,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,975.21 : 713,320.17 = 302,073.76 : x
  2. Step 2: Convert to fraction form
    516,975.21/713,320.17 = 302,073.76/x
  3. Step 3: Cross multiply
    516,975.21x = 713,320.17 × 302,073.76
  4. Step 4: Simplify right side
    516,975.21x = 215,475,305,835.74
  5. Step 5: Solve for x
    x = 215,475,305,835.74/516,975.21
  6. Step 6: Final answer
    x = 416,800.07

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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.