Home / 1,019,216-1,528,824.31-299,557.83

Finding the Fourth Proportional to 1,019,216, 1,528,824.31 and 299,557.83

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Solution

The fourth proportional to 1,019,216, 1,528,824.31 and 299,557.83 is: 449,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,216 : 1,528,824.31 = 299,557.83 : x
  2. Step 2: Convert to fraction form
    1,019,216/1,528,824.31 = 299,557.83/x
  3. Step 3: Cross multiply
    1,019,216x = 1,528,824.31 × 299,557.83
  4. Step 4: Simplify right side
    1,019,216x = 457,971,292,754.85
  5. Step 5: Solve for x
    x = 457,971,292,754.85/1,019,216
  6. Step 6: Final answer
    x = 449,336.84

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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.