Home / 413,185.12-619,696.08-113,588.40

Finding the Fourth Proportional to 413,185.12, 619,696.08 and 113,588.40

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Solution

The fourth proportional to 413,185.12, 619,696.08 and 113,588.40 is: 170,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,185.12 : 619,696.08 = 113,588.40 : x
  2. Step 2: Convert to fraction form
    413,185.12/619,696.08 = 113,588.40/x
  3. Step 3: Cross multiply
    413,185.12x = 619,696.08 × 113,588.40
  4. Step 4: Simplify right side
    413,185.12x = 70,390,286,213.47
  5. Step 5: Solve for x
    x = 70,390,286,213.47/413,185.12
  6. Step 6: Final answer
    x = 170,360.17

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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.