Home / 1,216,760.66-1,825,398.06-458,586.08

Finding the Fourth Proportional to 1,216,760.66, 1,825,398.06 and 458,586.08

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Solution

The fourth proportional to 1,216,760.66, 1,825,398.06 and 458,586.08 is: 687,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,760.66 : 1,825,398.06 = 458,586.08 : x
  2. Step 2: Convert to fraction form
    1,216,760.66/1,825,398.06 = 458,586.08/x
  3. Step 3: Cross multiply
    1,216,760.66x = 1,825,398.06 × 458,586.08
  4. Step 4: Simplify right side
    1,216,760.66x = 837,102,140,775.01
  5. Step 5: Solve for x
    x = 837,102,140,775.01/1,216,760.66
  6. Step 6: Final answer
    x = 687,976.01

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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.