Home / 5,420,644.65-7,489,276.17-4,613,379.21

Finding the Fourth Proportional to 5,420,644.65, 7,489,276.17 and 4,613,379.21

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Solution

The fourth proportional to 5,420,644.65, 7,489,276.17 and 4,613,379.21 is: 6,373,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,644.65 : 7,489,276.17 = 4,613,379.21 : x
  2. Step 2: Convert to fraction form
    5,420,644.65/7,489,276.17 = 4,613,379.21/x
  3. Step 3: Cross multiply
    5,420,644.65x = 7,489,276.17 × 4,613,379.21
  4. Step 4: Simplify right side
    5,420,644.65x = 34,550,870,980,626.43
  5. Step 5: Solve for x
    x = 34,550,870,980,626.43/5,420,644.65
  6. Step 6: Final answer
    x = 6,373,941.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.