Home / 1,611,531.64-2,417,572.86-664,384.60

Finding the Fourth Proportional to 1,611,531.64, 2,417,572.86 and 664,384.60

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Solution

The fourth proportional to 1,611,531.64, 2,417,572.86 and 664,384.60 is: 996,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,531.64 : 2,417,572.86 = 664,384.60 : x
  2. Step 2: Convert to fraction form
    1,611,531.64/2,417,572.86 = 664,384.60/x
  3. Step 3: Cross multiply
    1,611,531.64x = 2,417,572.86 × 664,384.60
  4. Step 4: Simplify right side
    1,611,531.64x = 1,606,198,177,561.96
  5. Step 5: Solve for x
    x = 1,606,198,177,561.96/1,611,531.64
  6. Step 6: Final answer
    x = 996,690.44

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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.