Home / 922,576.44-1,383,923.04-390,027.36

Finding the Fourth Proportional to 922,576.44, 1,383,923.04 and 390,027.36

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Solution

The fourth proportional to 922,576.44, 1,383,923.04 and 390,027.36 is: 585,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,576.44 : 1,383,923.04 = 390,027.36 : x
  2. Step 2: Convert to fraction form
    922,576.44/1,383,923.04 = 390,027.36/x
  3. Step 3: Cross multiply
    922,576.44x = 1,383,923.04 × 390,027.36
  4. Step 4: Simplify right side
    922,576.44x = 539,767,849,734.37
  5. Step 5: Solve for x
    x = 539,767,849,734.37/922,576.44
  6. Step 6: Final answer
    x = 585,065.72

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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.