Home / 447,964.56-618,085.02-254,330.28

Finding the Fourth Proportional to 447,964.56, 618,085.02 and 254,330.28

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Solution

The fourth proportional to 447,964.56, 618,085.02 and 254,330.28 is: 350,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,964.56 : 618,085.02 = 254,330.28 : x
  2. Step 2: Convert to fraction form
    447,964.56/618,085.02 = 254,330.28/x
  3. Step 3: Cross multiply
    447,964.56x = 618,085.02 × 254,330.28
  4. Step 4: Simplify right side
    447,964.56x = 157,197,736,200.41
  5. Step 5: Solve for x
    x = 157,197,736,200.41/447,964.56
  6. Step 6: Final answer
    x = 350,915.56

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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.