Home / 810,154.50-1,118,013.24-452,458.50

Finding the Fourth Proportional to 810,154.50, 1,118,013.24 and 452,458.50

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Solution

The fourth proportional to 810,154.50, 1,118,013.24 and 452,458.50 is: 624,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,154.50 : 1,118,013.24 = 452,458.50 : x
  2. Step 2: Convert to fraction form
    810,154.50/1,118,013.24 = 452,458.50/x
  3. Step 3: Cross multiply
    810,154.50x = 1,118,013.24 × 452,458.50
  4. Step 4: Simplify right side
    810,154.50x = 505,854,593,550.54
  5. Step 5: Solve for x
    x = 505,854,593,550.54/810,154.50
  6. Step 6: Final answer
    x = 624,392.75

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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.