Home / 472,150.28-651,558.48-257,291.84

Finding the Fourth Proportional to 472,150.28, 651,558.48 and 257,291.84

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Solution

The fourth proportional to 472,150.28, 651,558.48 and 257,291.84 is: 355,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,150.28 : 651,558.48 = 257,291.84 : x
  2. Step 2: Convert to fraction form
    472,150.28/651,558.48 = 257,291.84/x
  3. Step 3: Cross multiply
    472,150.28x = 651,558.48 × 257,291.84
  4. Step 4: Simplify right side
    472,150.28x = 167,640,680,186.80
  5. Step 5: Solve for x
    x = 167,640,680,186.80/472,150.28
  6. Step 6: Final answer
    x = 355,057.89

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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.