Home / 405,099.04-607,595.28-124,592.80

Finding the Fourth Proportional to 405,099.04, 607,595.28 and 124,592.80

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Solution

The fourth proportional to 405,099.04, 607,595.28 and 124,592.80 is: 186,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,099.04 : 607,595.28 = 124,592.80 : x
  2. Step 2: Convert to fraction form
    405,099.04/607,595.28 = 124,592.80/x
  3. Step 3: Cross multiply
    405,099.04x = 607,595.28 × 124,592.80
  4. Step 4: Simplify right side
    405,099.04x = 75,701,997,201.98
  5. Step 5: Solve for x
    x = 75,701,997,201.98/405,099.04
  6. Step 6: Final answer
    x = 186,872.81

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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.