Home / 1,216,799.06-1,823,911.49-458,312.33

Finding the Fourth Proportional to 1,216,799.06, 1,823,911.49 and 458,312.33

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Solution

The fourth proportional to 1,216,799.06, 1,823,911.49 and 458,312.33 is: 686,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,799.06 : 1,823,911.49 = 458,312.33 : x
  2. Step 2: Convert to fraction form
    1,216,799.06/1,823,911.49 = 458,312.33/x
  3. Step 3: Cross multiply
    1,216,799.06x = 1,823,911.49 × 458,312.33
  4. Step 4: Simplify right side
    1,216,799.06x = 835,921,130,401.23
  5. Step 5: Solve for x
    x = 835,921,130,401.23/1,216,799.06
  6. Step 6: Final answer
    x = 686,983.71

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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.