Home / 1,185,814.19-1,636,424.13-641,949.98

Finding the Fourth Proportional to 1,185,814.19, 1,636,424.13 and 641,949.98

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Solution

The fourth proportional to 1,185,814.19, 1,636,424.13 and 641,949.98 is: 885,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,814.19 : 1,636,424.13 = 641,949.98 : x
  2. Step 2: Convert to fraction form
    1,185,814.19/1,636,424.13 = 641,949.98/x
  3. Step 3: Cross multiply
    1,185,814.19x = 1,636,424.13 × 641,949.98
  4. Step 4: Simplify right side
    1,185,814.19x = 1,050,502,429,342.90
  5. Step 5: Solve for x
    x = 1,050,502,429,342.90/1,185,814.19
  6. Step 6: Final answer
    x = 885,891.27

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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.