Home / 705,128.40-1,057,867.56-330,714

Finding the Fourth Proportional to 705,128.40, 1,057,867.56 and 330,714

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Solution

The fourth proportional to 705,128.40, 1,057,867.56 and 330,714 is: 496,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,128.40 : 1,057,867.56 = 330,714 : x
  2. Step 2: Convert to fraction form
    705,128.40/1,057,867.56 = 330,714/x
  3. Step 3: Cross multiply
    705,128.40x = 1,057,867.56 × 330,714
  4. Step 4: Simplify right side
    705,128.40x = 349,851,612,237.84
  5. Step 5: Solve for x
    x = 349,851,612,237.84/705,128.40
  6. Step 6: Final answer
    x = 496,153.06

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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.