Home / 415,824.75-623,643.06-190,969.03

Finding the Fourth Proportional to 415,824.75, 623,643.06 and 190,969.03

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Solution

The fourth proportional to 415,824.75, 623,643.06 and 190,969.03 is: 286,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,824.75 : 623,643.06 = 190,969.03 : x
  2. Step 2: Convert to fraction form
    415,824.75/623,643.06 = 190,969.03/x
  3. Step 3: Cross multiply
    415,824.75x = 623,643.06 × 190,969.03
  4. Step 4: Simplify right side
    415,824.75x = 119,096,510,047.47
  5. Step 5: Solve for x
    x = 119,096,510,047.47/415,824.75
  6. Step 6: Final answer
    x = 286,410.34

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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.