Home / 424,019.28-585,162-233,047.20

Finding the Fourth Proportional to 424,019.28, 585,162 and 233,047.20

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Solution

The fourth proportional to 424,019.28, 585,162 and 233,047.20 is: 321,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,019.28 : 585,162 = 233,047.20 : x
  2. Step 2: Convert to fraction form
    424,019.28/585,162 = 233,047.20/x
  3. Step 3: Cross multiply
    424,019.28x = 585,162 × 233,047.20
  4. Step 4: Simplify right side
    424,019.28x = 136,370,365,646.40
  5. Step 5: Solve for x
    x = 136,370,365,646.40/424,019.28
  6. Step 6: Final answer
    x = 321,613.60

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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.