Home / 1,120,073.44-1,545,996-636,921.76

Finding the Fourth Proportional to 1,120,073.44, 1,545,996 and 636,921.76

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Solution

The fourth proportional to 1,120,073.44, 1,545,996 and 636,921.76 is: 879,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,073.44 : 1,545,996 = 636,921.76 : x
  2. Step 2: Convert to fraction form
    1,120,073.44/1,545,996 = 636,921.76/x
  3. Step 3: Cross multiply
    1,120,073.44x = 1,545,996 × 636,921.76
  4. Step 4: Simplify right side
    1,120,073.44x = 984,678,493,272.96
  5. Step 5: Solve for x
    x = 984,678,493,272.96/1,120,073.44
  6. Step 6: Final answer
    x = 879,119.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.