Home / 765,515.81-1,148,439.67-233,022.93

Finding the Fourth Proportional to 765,515.81, 1,148,439.67 and 233,022.93

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Solution

The fourth proportional to 765,515.81, 1,148,439.67 and 233,022.93 is: 349,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,515.81 : 1,148,439.67 = 233,022.93 : x
  2. Step 2: Convert to fraction form
    765,515.81/1,148,439.67 = 233,022.93/x
  3. Step 3: Cross multiply
    765,515.81x = 1,148,439.67 × 233,022.93
  4. Step 4: Simplify right side
    765,515.81x = 267,612,771,942.43
  5. Step 5: Solve for x
    x = 267,612,771,942.43/765,515.81
  6. Step 6: Final answer
    x = 349,584.90

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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.