Home / 415,451.19-622,927.40-190,529.85

Finding the Fourth Proportional to 415,451.19, 622,927.40 and 190,529.85

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Solution

The fourth proportional to 415,451.19, 622,927.40 and 190,529.85 is: 285,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,451.19 : 622,927.40 = 190,529.85 : x
  2. Step 2: Convert to fraction form
    415,451.19/622,927.40 = 190,529.85/x
  3. Step 3: Cross multiply
    415,451.19x = 622,927.40 × 190,529.85
  4. Step 4: Simplify right side
    415,451.19x = 118,686,263,130.24
  5. Step 5: Solve for x
    x = 118,686,263,130.24/415,451.19
  6. Step 6: Final answer
    x = 285,680.40

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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.