Home / 451,515.34-623,103.06-255,266.20

Finding the Fourth Proportional to 451,515.34, 623,103.06 and 255,266.20

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Solution

The fourth proportional to 451,515.34, 623,103.06 and 255,266.20 is: 352,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,515.34 : 623,103.06 = 255,266.20 : x
  2. Step 2: Convert to fraction form
    451,515.34/623,103.06 = 255,266.20/x
  3. Step 3: Cross multiply
    451,515.34x = 623,103.06 × 255,266.20
  4. Step 4: Simplify right side
    451,515.34x = 159,057,150,334.57
  5. Step 5: Solve for x
    x = 159,057,150,334.57/451,515.34
  6. Step 6: Final answer
    x = 352,274.08

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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.