Home / 893,499.72-1,233,039.12-485,601.58

Finding the Fourth Proportional to 893,499.72, 1,233,039.12 and 485,601.58

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Solution

The fourth proportional to 893,499.72, 1,233,039.12 and 485,601.58 is: 670,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,499.72 : 1,233,039.12 = 485,601.58 : x
  2. Step 2: Convert to fraction form
    893,499.72/1,233,039.12 = 485,601.58/x
  3. Step 3: Cross multiply
    893,499.72x = 1,233,039.12 × 485,601.58
  4. Step 4: Simplify right side
    893,499.72x = 598,765,744,873.81
  5. Step 5: Solve for x
    x = 598,765,744,873.81/893,499.72
  6. Step 6: Final answer
    x = 670,135.35

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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.