Home / 1,611,532.64-2,417,574.36-664,385.60

Finding the Fourth Proportional to 1,611,532.64, 2,417,574.36 and 664,385.60

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Solution

The fourth proportional to 1,611,532.64, 2,417,574.36 and 664,385.60 is: 996,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,532.64 : 2,417,574.36 = 664,385.60 : x
  2. Step 2: Convert to fraction form
    1,611,532.64/2,417,574.36 = 664,385.60/x
  3. Step 3: Cross multiply
    1,611,532.64x = 2,417,574.36 × 664,385.60
  4. Step 4: Simplify right side
    1,611,532.64x = 1,606,201,591,713.22
  5. Step 5: Solve for x
    x = 1,606,201,591,713.22/1,611,532.64
  6. Step 6: Final answer
    x = 996,691.94

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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.