Home / 447,868.09-618,048.73-243,922.59

Finding the Fourth Proportional to 447,868.09, 618,048.73 and 243,922.59

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Solution

The fourth proportional to 447,868.09, 618,048.73 and 243,922.59 is: 336,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,868.09 : 618,048.73 = 243,922.59 : x
  2. Step 2: Convert to fraction form
    447,868.09/618,048.73 = 243,922.59/x
  3. Step 3: Cross multiply
    447,868.09x = 618,048.73 × 243,922.59
  4. Step 4: Simplify right side
    447,868.09x = 150,756,046,967.81
  5. Step 5: Solve for x
    x = 150,756,046,967.81/447,868.09
  6. Step 6: Final answer
    x = 336,608.14

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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.