Home / 1,212,993.54-1,819,465.47-538,892.10

Finding the Fourth Proportional to 1,212,993.54, 1,819,465.47 and 538,892.10

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Solution

The fourth proportional to 1,212,993.54, 1,819,465.47 and 538,892.10 is: 808,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,993.54 : 1,819,465.47 = 538,892.10 : x
  2. Step 2: Convert to fraction form
    1,212,993.54/1,819,465.47 = 538,892.10/x
  3. Step 3: Cross multiply
    1,212,993.54x = 1,819,465.47 × 538,892.10
  4. Step 4: Simplify right side
    1,212,993.54x = 980,495,568,005.79
  5. Step 5: Solve for x
    x = 980,495,568,005.79/1,212,993.54
  6. Step 6: Final answer
    x = 808,327.11

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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.