Home / 476,193.45-657,176.49-314,768.55

Finding the Fourth Proportional to 476,193.45, 657,176.49 and 314,768.55

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Solution

The fourth proportional to 476,193.45, 657,176.49 and 314,768.55 is: 434,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,193.45 : 657,176.49 = 314,768.55 : x
  2. Step 2: Convert to fraction form
    476,193.45/657,176.49 = 314,768.55/x
  3. Step 3: Cross multiply
    476,193.45x = 657,176.49 × 314,768.55
  4. Step 4: Simplify right side
    476,193.45x = 206,858,490,851.39
  5. Step 5: Solve for x
    x = 206,858,490,851.39/476,193.45
  6. Step 6: Final answer
    x = 434,400.12

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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.