Home / 645,603.44-968,515.46-266,316.83

Finding the Fourth Proportional to 645,603.44, 968,515.46 and 266,316.83

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Solution

The fourth proportional to 645,603.44, 968,515.46 and 266,316.83 is: 399,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,603.44 : 968,515.46 = 266,316.83 : x
  2. Step 2: Convert to fraction form
    645,603.44/968,515.46 = 266,316.83/x
  3. Step 3: Cross multiply
    645,603.44x = 968,515.46 × 266,316.83
  4. Step 4: Simplify right side
    645,603.44x = 257,931,965,781.61
  5. Step 5: Solve for x
    x = 257,931,965,781.61/645,603.44
  6. Step 6: Final answer
    x = 399,520.74

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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.