Home / 505,962.40-758,943.60-190,490.08

Finding the Fourth Proportional to 505,962.40, 758,943.60 and 190,490.08

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Solution

The fourth proportional to 505,962.40, 758,943.60 and 190,490.08 is: 285,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,962.40 : 758,943.60 = 190,490.08 : x
  2. Step 2: Convert to fraction form
    505,962.40/758,943.60 = 190,490.08/x
  3. Step 3: Cross multiply
    505,962.40x = 758,943.60 × 190,490.08
  4. Step 4: Simplify right side
    505,962.40x = 144,571,227,079.49
  5. Step 5: Solve for x
    x = 144,571,227,079.49/505,962.40
  6. Step 6: Final answer
    x = 285,735.12

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Similar ratio
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1.5x scale

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.