Home / 1,558,036-2,150,089.68-842,644

Finding the Fourth Proportional to 1,558,036, 2,150,089.68 and 842,644

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Solution

The fourth proportional to 1,558,036, 2,150,089.68 and 842,644 is: 1,162,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,036 : 2,150,089.68 = 842,644 : x
  2. Step 2: Convert to fraction form
    1,558,036/2,150,089.68 = 842,644/x
  3. Step 3: Cross multiply
    1,558,036x = 2,150,089.68 × 842,644
  4. Step 4: Simplify right side
    1,558,036x = 1,811,760,168,313.92
  5. Step 5: Solve for x
    x = 1,811,760,168,313.92/1,558,036
  6. Step 6: Final answer
    x = 1,162,848.72

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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.