Home / 679,484.93-1,019,227.58-199,712.81

Finding the Fourth Proportional to 679,484.93, 1,019,227.58 and 199,712.81

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Solution

The fourth proportional to 679,484.93, 1,019,227.58 and 199,712.81 is: 299,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,484.93 : 1,019,227.58 = 199,712.81 : x
  2. Step 2: Convert to fraction form
    679,484.93/1,019,227.58 = 199,712.81/x
  3. Step 3: Cross multiply
    679,484.93x = 1,019,227.58 × 199,712.81
  4. Step 4: Simplify right side
    679,484.93x = 203,552,797,936.60
  5. Step 5: Solve for x
    x = 203,552,797,936.60/679,484.93
  6. Step 6: Final answer
    x = 299,569.26

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.