Home / 516,521.40-774,338.32-179,518.28

Finding the Fourth Proportional to 516,521.40, 774,338.32 and 179,518.28

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Solution

The fourth proportional to 516,521.40, 774,338.32 and 179,518.28 is: 269,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,521.40 : 774,338.32 = 179,518.28 : x
  2. Step 2: Convert to fraction form
    516,521.40/774,338.32 = 179,518.28/x
  3. Step 3: Cross multiply
    516,521.40x = 774,338.32 × 179,518.28
  4. Step 4: Simplify right side
    516,521.40x = 139,007,883,344.49
  5. Step 5: Solve for x
    x = 139,007,883,344.49/516,521.40
  6. Step 6: Final answer
    x = 269,123.18

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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.