Home / 922,388.40-1,383,582.60-764,924.40

Finding the Fourth Proportional to 922,388.40, 1,383,582.60 and 764,924.40

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Solution

The fourth proportional to 922,388.40, 1,383,582.60 and 764,924.40 is: 1,147,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,388.40 : 1,383,582.60 = 764,924.40 : x
  2. Step 2: Convert to fraction form
    922,388.40/1,383,582.60 = 764,924.40/x
  3. Step 3: Cross multiply
    922,388.40x = 1,383,582.60 × 764,924.40
  4. Step 4: Simplify right side
    922,388.40x = 1,058,336,090,155.44
  5. Step 5: Solve for x
    x = 1,058,336,090,155.44/922,388.40
  6. Step 6: Final answer
    x = 1,147,386.60

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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.