Home / 1,185,790.59-1,636,390.67-641,925.97

Finding the Fourth Proportional to 1,185,790.59, 1,636,390.67 and 641,925.97

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Solution

The fourth proportional to 1,185,790.59, 1,636,390.67 and 641,925.97 is: 885,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,790.59 : 1,636,390.67 = 641,925.97 : x
  2. Step 2: Convert to fraction form
    1,185,790.59/1,636,390.67 = 641,925.97/x
  3. Step 3: Cross multiply
    1,185,790.59x = 1,636,390.67 × 641,925.97
  4. Step 4: Simplify right side
    1,185,790.59x = 1,050,441,673,246.64
  5. Step 5: Solve for x
    x = 1,050,441,673,246.64/1,185,790.59
  6. Step 6: Final answer
    x = 885,857.66

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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.