Home / 1,863,007.70-2,794,511.55-666,281.30

Finding the Fourth Proportional to 1,863,007.70, 2,794,511.55 and 666,281.30

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Solution

The fourth proportional to 1,863,007.70, 2,794,511.55 and 666,281.30 is: 999,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,007.70 : 2,794,511.55 = 666,281.30 : x
  2. Step 2: Convert to fraction form
    1,863,007.70/2,794,511.55 = 666,281.30/x
  3. Step 3: Cross multiply
    1,863,007.70x = 2,794,511.55 × 666,281.30
  4. Step 4: Simplify right side
    1,863,007.70x = 1,861,930,788,399.02
  5. Step 5: Solve for x
    x = 1,861,930,788,399.02/1,863,007.70
  6. Step 6: Final answer
    x = 999,421.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.