Home / 496,107.52-684,646.40-284,180.48

Finding the Fourth Proportional to 496,107.52, 684,646.40 and 284,180.48

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Solution

The fourth proportional to 496,107.52, 684,646.40 and 284,180.48 is: 392,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,107.52 : 684,646.40 = 284,180.48 : x
  2. Step 2: Convert to fraction form
    496,107.52/684,646.40 = 284,180.48/x
  3. Step 3: Cross multiply
    496,107.52x = 684,646.40 × 284,180.48
  4. Step 4: Simplify right side
    496,107.52x = 194,563,142,582.27
  5. Step 5: Solve for x
    x = 194,563,142,582.27/496,107.52
  6. Step 6: Final answer
    x = 392,179.39

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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.