Home / 1,185,542.04-1,636,052.98-641,677.69

Finding the Fourth Proportional to 1,185,542.04, 1,636,052.98 and 641,677.69

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Solution

The fourth proportional to 1,185,542.04, 1,636,052.98 and 641,677.69 is: 885,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,542.04 : 1,636,052.98 = 641,677.69 : x
  2. Step 2: Convert to fraction form
    1,185,542.04/1,636,052.98 = 641,677.69/x
  3. Step 3: Cross multiply
    1,185,542.04x = 1,636,052.98 × 641,677.69
  4. Step 4: Simplify right side
    1,185,542.04x = 1,049,818,696,924.02
  5. Step 5: Solve for x
    x = 1,049,818,696,924.02/1,185,542.04
  6. Step 6: Final answer
    x = 885,517.90

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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.