Home / 1,368,000.15-1,887,580.34-858,472.89

Finding the Fourth Proportional to 1,368,000.15, 1,887,580.34 and 858,472.89

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Solution

The fourth proportional to 1,368,000.15, 1,887,580.34 and 858,472.89 is: 1,184,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,000.15 : 1,887,580.34 = 858,472.89 : x
  2. Step 2: Convert to fraction form
    1,368,000.15/1,887,580.34 = 858,472.89/x
  3. Step 3: Cross multiply
    1,368,000.15x = 1,887,580.34 × 858,472.89
  4. Step 4: Simplify right side
    1,368,000.15x = 1,620,436,545,294.62
  5. Step 5: Solve for x
    x = 1,620,436,545,294.62/1,368,000.15
  6. Step 6: Final answer
    x = 1,184,529.51

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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.