Home / 1,391,879.32-2,088,026.34-644,000.92

Finding the Fourth Proportional to 1,391,879.32, 2,088,026.34 and 644,000.92

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Solution

The fourth proportional to 1,391,879.32, 2,088,026.34 and 644,000.92 is: 966,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,879.32 : 2,088,026.34 = 644,000.92 : x
  2. Step 2: Convert to fraction form
    1,391,879.32/2,088,026.34 = 644,000.92/x
  3. Step 3: Cross multiply
    1,391,879.32x = 2,088,026.34 × 644,000.92
  4. Step 4: Simplify right side
    1,391,879.32x = 1,344,690,883,944.23
  5. Step 5: Solve for x
    x = 1,344,690,883,944.23/1,391,879.32
  6. Step 6: Final answer
    x = 966,097.32

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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.