Home / 621,613.10-932,574.83-216,811.13

Finding the Fourth Proportional to 621,613.10, 932,574.83 and 216,811.13

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Solution

The fourth proportional to 621,613.10, 932,574.83 and 216,811.13 is: 325,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,613.10 : 932,574.83 = 216,811.13 : x
  2. Step 2: Convert to fraction form
    621,613.10/932,574.83 = 216,811.13/x
  3. Step 3: Cross multiply
    621,613.10x = 932,574.83 × 216,811.13
  4. Step 4: Simplify right side
    621,613.10x = 202,192,596,954.93
  5. Step 5: Solve for x
    x = 202,192,596,954.93/621,613.10
  6. Step 6: Final answer
    x = 325,270.81

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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.