Home / 472,198.13-651,614.40-257,333.58

Finding the Fourth Proportional to 472,198.13, 651,614.40 and 257,333.58

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Solution

The fourth proportional to 472,198.13, 651,614.40 and 257,333.58 is: 355,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,198.13 : 651,614.40 = 257,333.58 : x
  2. Step 2: Convert to fraction form
    472,198.13/651,614.40 = 257,333.58/x
  3. Step 3: Cross multiply
    472,198.13x = 651,614.40 × 257,333.58
  4. Step 4: Simplify right side
    472,198.13x = 167,682,266,331.55
  5. Step 5: Solve for x
    x = 167,682,266,331.55/472,198.13
  6. Step 6: Final answer
    x = 355,109.98

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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.