Home / 525,182.20-723,880.18-372,023.86

Finding the Fourth Proportional to 525,182.20, 723,880.18 and 372,023.86

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Solution

The fourth proportional to 525,182.20, 723,880.18 and 372,023.86 is: 512,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,182.20 : 723,880.18 = 372,023.86 : x
  2. Step 2: Convert to fraction form
    525,182.20/723,880.18 = 372,023.86/x
  3. Step 3: Cross multiply
    525,182.20x = 723,880.18 × 372,023.86
  4. Step 4: Simplify right side
    525,182.20x = 269,300,698,741.10
  5. Step 5: Solve for x
    x = 269,300,698,741.10/525,182.20
  6. Step 6: Final answer
    x = 512,775.75

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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.