Home / 1,216,799.15-1,823,911.62-458,312.45

Finding the Fourth Proportional to 1,216,799.15, 1,823,911.62 and 458,312.45

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Solution

The fourth proportional to 1,216,799.15, 1,823,911.62 and 458,312.45 is: 686,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,799.15 : 1,823,911.62 = 458,312.45 : x
  2. Step 2: Convert to fraction form
    1,216,799.15/1,823,911.62 = 458,312.45/x
  3. Step 3: Cross multiply
    1,216,799.15x = 1,823,911.62 × 458,312.45
  4. Step 4: Simplify right side
    1,216,799.15x = 835,921,394,026.11
  5. Step 5: Solve for x
    x = 835,921,394,026.11/1,216,799.15
  6. Step 6: Final answer
    x = 686,983.88

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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.