Home / 1,191,392.64-1,646,283.96-868,539.60

Finding the Fourth Proportional to 1,191,392.64, 1,646,283.96 and 868,539.60

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Solution

The fourth proportional to 1,191,392.64, 1,646,283.96 and 868,539.60 is: 1,200,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,392.64 : 1,646,283.96 = 868,539.60 : x
  2. Step 2: Convert to fraction form
    1,191,392.64/1,646,283.96 = 868,539.60/x
  3. Step 3: Cross multiply
    1,191,392.64x = 1,646,283.96 × 868,539.60
  4. Step 4: Simplify right side
    1,191,392.64x = 1,429,862,812,104.82
  5. Step 5: Solve for x
    x = 1,429,862,812,104.82/1,191,392.64
  6. Step 6: Final answer
    x = 1,200,160.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.