Home / 4,752,505.80-7,128,693.90-1,557,736.20

Finding the Fourth Proportional to 4,752,505.80, 7,128,693.90 and 1,557,736.20

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Solution

The fourth proportional to 4,752,505.80, 7,128,693.90 and 1,557,736.20 is: 2,336,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,505.80 : 7,128,693.90 = 1,557,736.20 : x
  2. Step 2: Convert to fraction form
    4,752,505.80/7,128,693.90 = 1,557,736.20/x
  3. Step 3: Cross multiply
    4,752,505.80x = 7,128,693.90 × 1,557,736.20
  4. Step 4: Simplify right side
    4,752,505.80x = 11,104,624,546,749.18
  5. Step 5: Solve for x
    x = 11,104,624,546,749.18/4,752,505.80
  6. Step 6: Final answer
    x = 2,336,583.06

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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.