Home / 645,606.19-968,519.58-266,319.58

Finding the Fourth Proportional to 645,606.19, 968,519.58 and 266,319.58

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Solution

The fourth proportional to 645,606.19, 968,519.58 and 266,319.58 is: 399,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,606.19 : 968,519.58 = 266,319.58 : x
  2. Step 2: Convert to fraction form
    645,606.19/968,519.58 = 266,319.58/x
  3. Step 3: Cross multiply
    645,606.19x = 968,519.58 × 266,319.58
  4. Step 4: Simplify right side
    645,606.19x = 257,935,727,767.38
  5. Step 5: Solve for x
    x = 257,935,727,767.38/645,606.19
  6. Step 6: Final answer
    x = 399,524.87

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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.