Home / 922,415.40-1,383,623.10-764,951.40

Finding the Fourth Proportional to 922,415.40, 1,383,623.10 and 764,951.40

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Solution

The fourth proportional to 922,415.40, 1,383,623.10 and 764,951.40 is: 1,147,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,415.40 : 1,383,623.10 = 764,951.40 : x
  2. Step 2: Convert to fraction form
    922,415.40/1,383,623.10 = 764,951.40/x
  3. Step 3: Cross multiply
    922,415.40x = 1,383,623.10 × 764,951.40
  4. Step 4: Simplify right side
    922,415.40x = 1,058,404,427,417.34
  5. Step 5: Solve for x
    x = 1,058,404,427,417.34/922,415.40
  6. Step 6: Final answer
    x = 1,147,427.10

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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.