Home / 646,408.14-969,612.30-173,081.40

Finding the Fourth Proportional to 646,408.14, 969,612.30 and 173,081.40

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Solution

The fourth proportional to 646,408.14, 969,612.30 and 173,081.40 is: 259,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,408.14 : 969,612.30 = 173,081.40 : x
  2. Step 2: Convert to fraction form
    646,408.14/969,612.30 = 173,081.40/x
  3. Step 3: Cross multiply
    646,408.14x = 969,612.30 × 173,081.40
  4. Step 4: Simplify right side
    646,408.14x = 167,821,854,341.22
  5. Step 5: Solve for x
    x = 167,821,854,341.22/646,408.14
  6. Step 6: Final answer
    x = 259,622.12

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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.