Home / 1,185,682.84-1,636,243.27-641,816.96

Finding the Fourth Proportional to 1,185,682.84, 1,636,243.27 and 641,816.96

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Solution

The fourth proportional to 1,185,682.84, 1,636,243.27 and 641,816.96 is: 885,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,682.84 : 1,636,243.27 = 641,816.96 : x
  2. Step 2: Convert to fraction form
    1,185,682.84/1,636,243.27 = 641,816.96/x
  3. Step 3: Cross multiply
    1,185,682.84x = 1,636,243.27 × 641,816.96
  4. Step 4: Simplify right side
    1,185,682.84x = 1,050,168,671,586.10
  5. Step 5: Solve for x
    x = 1,050,168,671,586.10/1,185,682.84
  6. Step 6: Final answer
    x = 885,707.91

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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.