Home / 840,234.25-1,159,523.27-458,263.77

Finding the Fourth Proportional to 840,234.25, 1,159,523.27 and 458,263.77

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Solution

The fourth proportional to 840,234.25, 1,159,523.27 and 458,263.77 is: 632,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,234.25 : 1,159,523.27 = 458,263.77 : x
  2. Step 2: Convert to fraction form
    840,234.25/1,159,523.27 = 458,263.77/x
  3. Step 3: Cross multiply
    840,234.25x = 1,159,523.27 × 458,263.77
  4. Step 4: Simplify right side
    840,234.25x = 531,367,505,112.93
  5. Step 5: Solve for x
    x = 531,367,505,112.93/840,234.25
  6. Step 6: Final answer
    x = 632,404.01

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1.5x scale

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.