Home / 1,354,121.18-1,869,951.32-871,526.82

Finding the Fourth Proportional to 1,354,121.18, 1,869,951.32 and 871,526.82

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Solution

The fourth proportional to 1,354,121.18, 1,869,951.32 and 871,526.82 is: 1,203,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,121.18 : 1,869,951.32 = 871,526.82 : x
  2. Step 2: Convert to fraction form
    1,354,121.18/1,869,951.32 = 871,526.82/x
  3. Step 3: Cross multiply
    1,354,121.18x = 1,869,951.32 × 871,526.82
  4. Step 4: Simplify right side
    1,354,121.18x = 1,629,712,723,116.77
  5. Step 5: Solve for x
    x = 1,629,712,723,116.77/1,354,121.18
  6. Step 6: Final answer
    x = 1,203,520.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.