Home / 1,206,193.07-1,808,015.99-921,263.12

Finding the Fourth Proportional to 1,206,193.07, 1,808,015.99 and 921,263.12

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Solution

The fourth proportional to 1,206,193.07, 1,808,015.99 and 921,263.12 is: 1,380,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,193.07 : 1,808,015.99 = 921,263.12 : x
  2. Step 2: Convert to fraction form
    1,206,193.07/1,808,015.99 = 921,263.12/x
  3. Step 3: Cross multiply
    1,206,193.07x = 1,808,015.99 × 921,263.12
  4. Step 4: Simplify right side
    1,206,193.07x = 1,665,658,445,090.95
  5. Step 5: Solve for x
    x = 1,665,658,445,090.95/1,206,193.07
  6. Step 6: Final answer
    x = 1,380,921.91

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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.