Home / 673,873.25-929,835.27-398,192.72

Finding the Fourth Proportional to 673,873.25, 929,835.27 and 398,192.72

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Solution

The fourth proportional to 673,873.25, 929,835.27 and 398,192.72 is: 549,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,873.25 : 929,835.27 = 398,192.72 : x
  2. Step 2: Convert to fraction form
    673,873.25/929,835.27 = 398,192.72/x
  3. Step 3: Cross multiply
    673,873.25x = 929,835.27 × 398,192.72
  4. Step 4: Simplify right side
    673,873.25x = 370,253,630,664.06
  5. Step 5: Solve for x
    x = 370,253,630,664.06/673,873.25
  6. Step 6: Final answer
    x = 549,441.06

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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.