Home / 646,226.19-969,479.10-196,935.18

Finding the Fourth Proportional to 646,226.19, 969,479.10 and 196,935.18

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Solution

The fourth proportional to 646,226.19, 969,479.10 and 196,935.18 is: 295,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,226.19 : 969,479.10 = 196,935.18 : x
  2. Step 2: Convert to fraction form
    646,226.19/969,479.10 = 196,935.18/x
  3. Step 3: Cross multiply
    646,226.19x = 969,479.10 × 196,935.18
  4. Step 4: Simplify right side
    646,226.19x = 190,924,541,064.74
  5. Step 5: Solve for x
    x = 190,924,541,064.74/646,226.19
  6. Step 6: Final answer
    x = 295,445.38

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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.