Home / 843,358.20-1,264,656.96-416,727.69

Finding the Fourth Proportional to 843,358.20, 1,264,656.96 and 416,727.69

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Solution

The fourth proportional to 843,358.20, 1,264,656.96 and 416,727.69 is: 624,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,358.20 : 1,264,656.96 = 416,727.69 : x
  2. Step 2: Convert to fraction form
    843,358.20/1,264,656.96 = 416,727.69/x
  3. Step 3: Cross multiply
    843,358.20x = 1,264,656.96 × 416,727.69
  4. Step 4: Simplify right side
    843,358.20x = 527,017,573,583.22
  5. Step 5: Solve for x
    x = 527,017,573,583.22/843,358.20
  6. Step 6: Final answer
    x = 624,903.60

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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.