Home / 1,185,798.41-1,636,402.31-641,934.18

Finding the Fourth Proportional to 1,185,798.41, 1,636,402.31 and 641,934.18

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Solution

The fourth proportional to 1,185,798.41, 1,636,402.31 and 641,934.18 is: 885,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,798.41 : 1,636,402.31 = 641,934.18 : x
  2. Step 2: Convert to fraction form
    1,185,798.41/1,636,402.31 = 641,934.18/x
  3. Step 3: Cross multiply
    1,185,798.41x = 1,636,402.31 × 641,934.18
  4. Step 4: Simplify right side
    1,185,798.41x = 1,050,462,571,810.28
  5. Step 5: Solve for x
    x = 1,050,462,571,810.28/1,185,798.41
  6. Step 6: Final answer
    x = 885,869.44

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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.