Home / 434,145.28-650,693.04-223,668.40

Finding the Fourth Proportional to 434,145.28, 650,693.04 and 223,668.40

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Solution

The fourth proportional to 434,145.28, 650,693.04 and 223,668.40 is: 335,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,145.28 : 650,693.04 = 223,668.40 : x
  2. Step 2: Convert to fraction form
    434,145.28/650,693.04 = 223,668.40/x
  3. Step 3: Cross multiply
    434,145.28x = 650,693.04 × 223,668.40
  4. Step 4: Simplify right side
    434,145.28x = 145,539,471,147.94
  5. Step 5: Solve for x
    x = 145,539,471,147.94/434,145.28
  6. Step 6: Final answer
    x = 335,232.19

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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.