Home / 1,216,798.65-1,823,910.87-458,311.95

Finding the Fourth Proportional to 1,216,798.65, 1,823,910.87 and 458,311.95

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Solution

The fourth proportional to 1,216,798.65, 1,823,910.87 and 458,311.95 is: 686,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,798.65 : 1,823,910.87 = 458,311.95 : x
  2. Step 2: Convert to fraction form
    1,216,798.65/1,823,910.87 = 458,311.95/x
  3. Step 3: Cross multiply
    1,216,798.65x = 1,823,910.87 × 458,311.95
  4. Step 4: Simplify right side
    1,216,798.65x = 835,920,147,455.90
  5. Step 5: Solve for x
    x = 835,920,147,455.90/1,216,798.65
  6. Step 6: Final answer
    x = 686,983.13

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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.