Home / 1,191,705.60-1,785,165-551,111.43

Finding the Fourth Proportional to 1,191,705.60, 1,785,165 and 551,111.43

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Solution

The fourth proportional to 1,191,705.60, 1,785,165 and 551,111.43 is: 825,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,705.60 : 1,785,165 = 551,111.43 : x
  2. Step 2: Convert to fraction form
    1,191,705.60/1,785,165 = 551,111.43/x
  3. Step 3: Cross multiply
    1,191,705.60x = 1,785,165 × 551,111.43
  4. Step 4: Simplify right side
    1,191,705.60x = 983,824,835,935.95
  5. Step 5: Solve for x
    x = 983,824,835,935.95/1,191,705.60
  6. Step 6: Final answer
    x = 825,560.30

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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.