Home / 326,030.81-449,767.58-217,185.74

Finding the Fourth Proportional to 326,030.81, 449,767.58 and 217,185.74

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Solution

The fourth proportional to 326,030.81, 449,767.58 and 217,185.74 is: 299,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,030.81 : 449,767.58 = 217,185.74 : x
  2. Step 2: Convert to fraction form
    326,030.81/449,767.58 = 217,185.74/x
  3. Step 3: Cross multiply
    326,030.81x = 449,767.58 × 217,185.74
  4. Step 4: Simplify right side
    326,030.81x = 97,683,106,357.69
  5. Step 5: Solve for x
    x = 97,683,106,357.69/326,030.81
  6. Step 6: Final answer
    x = 299,613.12

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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.