Home / 516,651.39-774,836.55-326,826.81

Finding the Fourth Proportional to 516,651.39, 774,836.55 and 326,826.81

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Solution

The fourth proportional to 516,651.39, 774,836.55 and 326,826.81 is: 490,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,651.39 : 774,836.55 = 326,826.81 : x
  2. Step 2: Convert to fraction form
    516,651.39/774,836.55 = 326,826.81/x
  3. Step 3: Cross multiply
    516,651.39x = 774,836.55 × 326,826.81
  4. Step 4: Simplify right side
    516,651.39x = 253,237,357,907.91
  5. Step 5: Solve for x
    x = 253,237,357,907.91/516,651.39
  6. Step 6: Final answer
    x = 490,151.31

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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.