Home / 1,535,909.30-2,119,555.73-856,845.80

Finding the Fourth Proportional to 1,535,909.30, 2,119,555.73 and 856,845.80

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Solution

The fourth proportional to 1,535,909.30, 2,119,555.73 and 856,845.80 is: 1,182,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,909.30 : 2,119,555.73 = 856,845.80 : x
  2. Step 2: Convert to fraction form
    1,535,909.30/2,119,555.73 = 856,845.80/x
  3. Step 3: Cross multiply
    1,535,909.30x = 2,119,555.73 × 856,845.80
  4. Step 4: Simplify right side
    1,535,909.30x = 1,816,132,410,234.43
  5. Step 5: Solve for x
    x = 1,816,132,410,234.43/1,535,909.30
  6. Step 6: Final answer
    x = 1,182,447.70

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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.