Home / 842,018.40-1,262,176.36-362,558.88

Finding the Fourth Proportional to 842,018.40, 1,262,176.36 and 362,558.88

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Solution

The fourth proportional to 842,018.40, 1,262,176.36 and 362,558.88 is: 543,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,018.40 : 1,262,176.36 = 362,558.88 : x
  2. Step 2: Convert to fraction form
    842,018.40/1,262,176.36 = 362,558.88/x
  3. Step 3: Cross multiply
    842,018.40x = 1,262,176.36 × 362,558.88
  4. Step 4: Simplify right side
    842,018.40x = 457,613,247,444.08
  5. Step 5: Solve for x
    x = 457,613,247,444.08/842,018.40
  6. Step 6: Final answer
    x = 543,471.79

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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.