Home / 447,840.09-618,013.26-254,246.04

Finding the Fourth Proportional to 447,840.09, 618,013.26 and 254,246.04

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Solution

The fourth proportional to 447,840.09, 618,013.26 and 254,246.04 is: 350,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,840.09 : 618,013.26 = 254,246.04 : x
  2. Step 2: Convert to fraction form
    447,840.09/618,013.26 = 254,246.04/x
  3. Step 3: Cross multiply
    447,840.09x = 618,013.26 × 254,246.04
  4. Step 4: Simplify right side
    447,840.09x = 157,127,424,022.49
  5. Step 5: Solve for x
    x = 157,127,424,022.49/447,840.09
  6. Step 6: Final answer
    x = 350,856.09

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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.