Home / 1,785,944.58-2,678,924.16-438,115.92

Finding the Fourth Proportional to 1,785,944.58, 2,678,924.16 and 438,115.92

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Solution

The fourth proportional to 1,785,944.58, 2,678,924.16 and 438,115.92 is: 657,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,944.58 : 2,678,924.16 = 438,115.92 : x
  2. Step 2: Convert to fraction form
    1,785,944.58/2,678,924.16 = 438,115.92/x
  3. Step 3: Cross multiply
    1,785,944.58x = 2,678,924.16 × 438,115.92
  4. Step 4: Simplify right side
    1,785,944.58x = 1,173,679,322,968.63
  5. Step 5: Solve for x
    x = 1,173,679,322,968.63/1,785,944.58
  6. Step 6: Final answer
    x = 657,175.67

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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.