Home / 1,438,383.32-1,985,715.20-1,050,763.52

Finding the Fourth Proportional to 1,438,383.32, 1,985,715.20 and 1,050,763.52

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Solution

The fourth proportional to 1,438,383.32, 1,985,715.20 and 1,050,763.52 is: 1,450,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,383.32 : 1,985,715.20 = 1,050,763.52 : x
  2. Step 2: Convert to fraction form
    1,438,383.32/1,985,715.20 = 1,050,763.52/x
  3. Step 3: Cross multiply
    1,438,383.32x = 1,985,715.20 × 1,050,763.52
  4. Step 4: Simplify right side
    1,438,383.32x = 2,086,517,093,269.50
  5. Step 5: Solve for x
    x = 2,086,517,093,269.50/1,438,383.32
  6. Step 6: Final answer
    x = 1,450,598.78

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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.