Home / 1,125,494.56-1,553,181.78-616,196.80

Finding the Fourth Proportional to 1,125,494.56, 1,553,181.78 and 616,196.80

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Solution

The fourth proportional to 1,125,494.56, 1,553,181.78 and 616,196.80 is: 850,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,494.56 : 1,553,181.78 = 616,196.80 : x
  2. Step 2: Convert to fraction form
    1,125,494.56/1,553,181.78 = 616,196.80/x
  3. Step 3: Cross multiply
    1,125,494.56x = 1,553,181.78 × 616,196.80
  4. Step 4: Simplify right side
    1,125,494.56x = 957,065,642,654.30
  5. Step 5: Solve for x
    x = 957,065,642,654.30/1,125,494.56
  6. Step 6: Final answer
    x = 850,351.19

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Double scale
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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.