Home / 516,631.68-774,926.28-179,748.72

Finding the Fourth Proportional to 516,631.68, 774,926.28 and 179,748.72

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Solution

The fourth proportional to 516,631.68, 774,926.28 and 179,748.72 is: 269,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,631.68 : 774,926.28 = 179,748.72 : x
  2. Step 2: Convert to fraction form
    516,631.68/774,926.28 = 179,748.72/x
  3. Step 3: Cross multiply
    516,631.68x = 774,926.28 × 179,748.72
  4. Step 4: Simplify right side
    516,631.68x = 139,292,006,924.36
  5. Step 5: Solve for x
    x = 139,292,006,924.36/516,631.68
  6. Step 6: Final answer
    x = 269,615.69

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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.