Home / 1,125,493.56-1,553,180.40-616,195.80

Finding the Fourth Proportional to 1,125,493.56, 1,553,180.40 and 616,195.80

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Solution

The fourth proportional to 1,125,493.56, 1,553,180.40 and 616,195.80 is: 850,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,493.56 : 1,553,180.40 = 616,195.80 : x
  2. Step 2: Convert to fraction form
    1,125,493.56/1,553,180.40 = 616,195.80/x
  3. Step 3: Cross multiply
    1,125,493.56x = 1,553,180.40 × 616,195.80
  4. Step 4: Simplify right side
    1,125,493.56x = 957,063,239,122.32
  5. Step 5: Solve for x
    x = 957,063,239,122.32/1,125,493.56
  6. Step 6: Final answer
    x = 850,349.81

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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.