Home / 647,856.02-894,060.24-361,369.92

Finding the Fourth Proportional to 647,856.02, 894,060.24 and 361,369.92

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Solution

The fourth proportional to 647,856.02, 894,060.24 and 361,369.92 is: 498,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,856.02 : 894,060.24 = 361,369.92 : x
  2. Step 2: Convert to fraction form
    647,856.02/894,060.24 = 361,369.92/x
  3. Step 3: Cross multiply
    647,856.02x = 894,060.24 × 361,369.92
  4. Step 4: Simplify right side
    647,856.02x = 323,086,477,403.98
  5. Step 5: Solve for x
    x = 323,086,477,403.98/647,856.02
  6. Step 6: Final answer
    x = 498,701.05

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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.