Home / 808,079.36-1,115,166.39-445,518.50

Finding the Fourth Proportional to 808,079.36, 1,115,166.39 and 445,518.50

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Solution

The fourth proportional to 808,079.36, 1,115,166.39 and 445,518.50 is: 614,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,079.36 : 1,115,166.39 = 445,518.50 : x
  2. Step 2: Convert to fraction form
    808,079.36/1,115,166.39 = 445,518.50/x
  3. Step 3: Cross multiply
    808,079.36x = 1,115,166.39 × 445,518.50
  4. Step 4: Simplify right side
    808,079.36x = 496,827,250,076.69
  5. Step 5: Solve for x
    x = 496,827,250,076.69/808,079.36
  6. Step 6: Final answer
    x = 614,824.83

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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.