Home / 505,257.19-697,089.31-360,085.83

Finding the Fourth Proportional to 505,257.19, 697,089.31 and 360,085.83

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Solution

The fourth proportional to 505,257.19, 697,089.31 and 360,085.83 is: 496,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,257.19 : 697,089.31 = 360,085.83 : x
  2. Step 2: Convert to fraction form
    505,257.19/697,089.31 = 360,085.83/x
  3. Step 3: Cross multiply
    505,257.19x = 697,089.31 × 360,085.83
  4. Step 4: Simplify right side
    505,257.19x = 251,011,980,975.05
  5. Step 5: Solve for x
    x = 251,011,980,975.05/505,257.19
  6. Step 6: Final answer
    x = 496,800.42

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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.