Home / 672,247.40-1,008,371.10-173,611.40

Finding the Fourth Proportional to 672,247.40, 1,008,371.10 and 173,611.40

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Solution

The fourth proportional to 672,247.40, 1,008,371.10 and 173,611.40 is: 260,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,247.40 : 1,008,371.10 = 173,611.40 : x
  2. Step 2: Convert to fraction form
    672,247.40/1,008,371.10 = 173,611.40/x
  3. Step 3: Cross multiply
    672,247.40x = 1,008,371.10 × 173,611.40
  4. Step 4: Simplify right side
    672,247.40x = 175,064,718,390.54
  5. Step 5: Solve for x
    x = 175,064,718,390.54/672,247.40
  6. Step 6: Final answer
    x = 260,417.10

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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.