Home / 646,279.32-968,816.07-219,523.18

Finding the Fourth Proportional to 646,279.32, 968,816.07 and 219,523.18

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Solution

The fourth proportional to 646,279.32, 968,816.07 and 219,523.18 is: 329,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,279.32 : 968,816.07 = 219,523.18 : x
  2. Step 2: Convert to fraction form
    646,279.32/968,816.07 = 219,523.18/x
  3. Step 3: Cross multiply
    646,279.32x = 968,816.07 × 219,523.18
  4. Step 4: Simplify right side
    646,279.32x = 212,677,584,521.50
  5. Step 5: Solve for x
    x = 212,677,584,521.50/646,279.32
  6. Step 6: Final answer
    x = 329,079.98

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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.