Home / 893,946.19-1,340,889.21-388,507.23

Finding the Fourth Proportional to 893,946.19, 1,340,889.21 and 388,507.23

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Solution

The fourth proportional to 893,946.19, 1,340,889.21 and 388,507.23 is: 582,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,946.19 : 1,340,889.21 = 388,507.23 : x
  2. Step 2: Convert to fraction form
    893,946.19/1,340,889.21 = 388,507.23/x
  3. Step 3: Cross multiply
    893,946.19x = 1,340,889.21 × 388,507.23
  4. Step 4: Simplify right side
    893,946.19x = 520,945,152,713.99
  5. Step 5: Solve for x
    x = 520,945,152,713.99/893,946.19
  6. Step 6: Final answer
    x = 582,747.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.