Home / 1,683,345.38-2,323,016.64-919,400.76

Finding the Fourth Proportional to 1,683,345.38, 2,323,016.64 and 919,400.76

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Solution

The fourth proportional to 1,683,345.38, 2,323,016.64 and 919,400.76 is: 1,268,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,345.38 : 2,323,016.64 = 919,400.76 : x
  2. Step 2: Convert to fraction form
    1,683,345.38/2,323,016.64 = 919,400.76/x
  3. Step 3: Cross multiply
    1,683,345.38x = 2,323,016.64 × 919,400.76
  4. Step 4: Simplify right side
    1,683,345.38x = 2,135,783,264,308.65
  5. Step 5: Solve for x
    x = 2,135,783,264,308.65/1,683,345.38
  6. Step 6: Final answer
    x = 1,268,773.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.