Home / 922,303.11-1,383,415.40-315,145.97

Finding the Fourth Proportional to 922,303.11, 1,383,415.40 and 315,145.97

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Solution

The fourth proportional to 922,303.11, 1,383,415.40 and 315,145.97 is: 472,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,303.11 : 1,383,415.40 = 315,145.97 : x
  2. Step 2: Convert to fraction form
    922,303.11/1,383,415.40 = 315,145.97/x
  3. Step 3: Cross multiply
    922,303.11x = 1,383,415.40 × 315,145.97
  4. Step 4: Simplify right side
    922,303.11x = 435,977,783,313.68
  5. Step 5: Solve for x
    x = 435,977,783,313.68/922,303.11
  6. Step 6: Final answer
    x = 472,705.53

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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.