Home / 672,790.49-1,009,185.74-461,788.73

Finding the Fourth Proportional to 672,790.49, 1,009,185.74 and 461,788.73

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Solution

The fourth proportional to 672,790.49, 1,009,185.74 and 461,788.73 is: 692,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,790.49 : 1,009,185.74 = 461,788.73 : x
  2. Step 2: Convert to fraction form
    672,790.49/1,009,185.74 = 461,788.73/x
  3. Step 3: Cross multiply
    672,790.49x = 1,009,185.74 × 461,788.73
  4. Step 4: Simplify right side
    672,790.49x = 466,030,593,853.84
  5. Step 5: Solve for x
    x = 466,030,593,853.84/672,790.49
  6. Step 6: Final answer
    x = 692,683.09

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Double scale
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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.