Home / 448,438.16-618,859.57-267,125.33

Finding the Fourth Proportional to 448,438.16, 618,859.57 and 267,125.33

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Solution

The fourth proportional to 448,438.16, 618,859.57 and 267,125.33 is: 368,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,438.16 : 618,859.57 = 267,125.33 : x
  2. Step 2: Convert to fraction form
    448,438.16/618,859.57 = 267,125.33/x
  3. Step 3: Cross multiply
    448,438.16x = 618,859.57 × 267,125.33
  4. Step 4: Simplify right side
    448,438.16x = 165,313,066,859.91
  5. Step 5: Solve for x
    x = 165,313,066,859.91/448,438.16
  6. Step 6: Final answer
    x = 368,641.84

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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.