Home / 496,001.31-684,535.28-281,118.30

Finding the Fourth Proportional to 496,001.31, 684,535.28 and 281,118.30

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Solution

The fourth proportional to 496,001.31, 684,535.28 and 281,118.30 is: 387,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,001.31 : 684,535.28 = 281,118.30 : x
  2. Step 2: Convert to fraction form
    496,001.31/684,535.28 = 281,118.30/x
  3. Step 3: Cross multiply
    496,001.31x = 684,535.28 × 281,118.30
  4. Step 4: Simplify right side
    496,001.31x = 192,435,392,798.03
  5. Step 5: Solve for x
    x = 192,435,392,798.03/496,001.31
  6. Step 6: Final answer
    x = 387,973.56

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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.