Home / 1,119,833.69-1,545,303.90-636,331.73

Finding the Fourth Proportional to 1,119,833.69, 1,545,303.90 and 636,331.73

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Solution

The fourth proportional to 1,119,833.69, 1,545,303.90 and 636,331.73 is: 878,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,833.69 : 1,545,303.90 = 636,331.73 : x
  2. Step 2: Convert to fraction form
    1,119,833.69/1,545,303.90 = 636,331.73/x
  3. Step 3: Cross multiply
    1,119,833.69x = 1,545,303.90 × 636,331.73
  4. Step 4: Simplify right side
    1,119,833.69x = 983,325,893,154.57
  5. Step 5: Solve for x
    x = 983,325,893,154.57/1,119,833.69
  6. Step 6: Final answer
    x = 878,099.94

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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.