Home / 456,624.42-684,825.84-190,239.60

Finding the Fourth Proportional to 456,624.42, 684,825.84 and 190,239.60

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Solution

The fourth proportional to 456,624.42, 684,825.84 and 190,239.60 is: 285,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,624.42 : 684,825.84 = 190,239.60 : x
  2. Step 2: Convert to fraction form
    456,624.42/684,825.84 = 190,239.60/x
  3. Step 3: Cross multiply
    456,624.42x = 684,825.84 × 190,239.60
  4. Step 4: Simplify right side
    456,624.42x = 130,280,993,871.26
  5. Step 5: Solve for x
    x = 130,280,993,871.26/456,624.42
  6. Step 6: Final answer
    x = 285,313.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.