Home / 1,185,541.55-1,636,052.30-641,677.19

Finding the Fourth Proportional to 1,185,541.55, 1,636,052.30 and 641,677.19

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Solution

The fourth proportional to 1,185,541.55, 1,636,052.30 and 641,677.19 is: 885,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,541.55 : 1,636,052.30 = 641,677.19 : x
  2. Step 2: Convert to fraction form
    1,185,541.55/1,636,052.30 = 641,677.19/x
  3. Step 3: Cross multiply
    1,185,541.55x = 1,636,052.30 × 641,677.19
  4. Step 4: Simplify right side
    1,185,541.55x = 1,049,817,431,168.39
  5. Step 5: Solve for x
    x = 1,049,817,431,168.39/1,185,541.55
  6. Step 6: Final answer
    x = 885,517.20

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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.