Home / 405,065.07-607,607.33-124,584.75

Finding the Fourth Proportional to 405,065.07, 607,607.33 and 124,584.75

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Solution

The fourth proportional to 405,065.07, 607,607.33 and 124,584.75 is: 186,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,065.07 : 607,607.33 = 124,584.75 : x
  2. Step 2: Convert to fraction form
    405,065.07/607,607.33 = 124,584.75/x
  3. Step 3: Cross multiply
    405,065.07x = 607,607.33 × 124,584.75
  4. Step 4: Simplify right side
    405,065.07x = 75,698,606,683.29
  5. Step 5: Solve for x
    x = 75,698,606,683.29/405,065.07
  6. Step 6: Final answer
    x = 186,880.11

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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.