Home / 1,479.96-2,040.18-1,036.44

Finding the Fourth Proportional to 1,479.96, 2,040.18 and 1,036.44

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Solution

The fourth proportional to 1,479.96, 2,040.18 and 1,036.44 is: 1,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.96 : 2,040.18 = 1,036.44 : x
  2. Step 2: Convert to fraction form
    1,479.96/2,040.18 = 1,036.44/x
  3. Step 3: Cross multiply
    1,479.96x = 2,040.18 × 1,036.44
  4. Step 4: Simplify right side
    1,479.96x = 2,114,524.16
  5. Step 5: Solve for x
    x = 2,114,524.16/1,479.96
  6. Step 6: Final answer
    x = 1,428.77

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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.