Home / 451,504.09-623,087.54-255,254.95

Finding the Fourth Proportional to 451,504.09, 623,087.54 and 255,254.95

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Solution

The fourth proportional to 451,504.09, 623,087.54 and 255,254.95 is: 352,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,504.09 : 623,087.54 = 255,254.95 : x
  2. Step 2: Convert to fraction form
    451,504.09/623,087.54 = 255,254.95/x
  3. Step 3: Cross multiply
    451,504.09x = 623,087.54 × 255,254.95
  4. Step 4: Simplify right side
    451,504.09x = 159,046,178,868.32
  5. Step 5: Solve for x
    x = 159,046,178,868.32/451,504.09
  6. Step 6: Final answer
    x = 352,258.56

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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.