Home / 451,862.56-623,059.05-288,300.22

Finding the Fourth Proportional to 451,862.56, 623,059.05 and 288,300.22

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Solution

The fourth proportional to 451,862.56, 623,059.05 and 288,300.22 is: 397,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,862.56 : 623,059.05 = 288,300.22 : x
  2. Step 2: Convert to fraction form
    451,862.56/623,059.05 = 288,300.22/x
  3. Step 3: Cross multiply
    451,862.56x = 623,059.05 × 288,300.22
  4. Step 4: Simplify right side
    451,862.56x = 179,628,061,187.99
  5. Step 5: Solve for x
    x = 179,628,061,187.99/451,862.56
  6. Step 6: Final answer
    x = 397,528.09

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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.