Home / 840,992.85-1,260,197.55-570,769.83

Finding the Fourth Proportional to 840,992.85, 1,260,197.55 and 570,769.83

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Solution

The fourth proportional to 840,992.85, 1,260,197.55 and 570,769.83 is: 855,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,992.85 : 1,260,197.55 = 570,769.83 : x
  2. Step 2: Convert to fraction form
    840,992.85/1,260,197.55 = 570,769.83/x
  3. Step 3: Cross multiply
    840,992.85x = 1,260,197.55 × 570,769.83
  4. Step 4: Simplify right side
    840,992.85x = 719,282,741,379.92
  5. Step 5: Solve for x
    x = 719,282,741,379.92/840,992.85
  6. Step 6: Final answer
    x = 855,278.07

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1.5x scale

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.