Home / 1,611,534.64-2,417,577.36-664,387.60

Finding the Fourth Proportional to 1,611,534.64, 2,417,577.36 and 664,387.60

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Solution

The fourth proportional to 1,611,534.64, 2,417,577.36 and 664,387.60 is: 996,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,534.64 : 2,417,577.36 = 664,387.60 : x
  2. Step 2: Convert to fraction form
    1,611,534.64/2,417,577.36 = 664,387.60/x
  3. Step 3: Cross multiply
    1,611,534.64x = 2,417,577.36 × 664,387.60
  4. Step 4: Simplify right side
    1,611,534.64x = 1,606,208,420,024.74
  5. Step 5: Solve for x
    x = 1,606,208,420,024.74/1,611,534.64
  6. Step 6: Final answer
    x = 996,694.94

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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.