Home / 1,093,558.20-1,640,337.30-771,631.80

Finding the Fourth Proportional to 1,093,558.20, 1,640,337.30 and 771,631.80

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Solution

The fourth proportional to 1,093,558.20, 1,640,337.30 and 771,631.80 is: 1,157,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,558.20 : 1,640,337.30 = 771,631.80 : x
  2. Step 2: Convert to fraction form
    1,093,558.20/1,640,337.30 = 771,631.80/x
  3. Step 3: Cross multiply
    1,093,558.20x = 1,640,337.30 × 771,631.80
  4. Step 4: Simplify right side
    1,093,558.20x = 1,265,736,423,406.14
  5. Step 5: Solve for x
    x = 1,265,736,423,406.14/1,093,558.20
  6. Step 6: Final answer
    x = 1,157,447.70

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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.