Home / 893,945.19-1,340,887.71-388,506.23

Finding the Fourth Proportional to 893,945.19, 1,340,887.71 and 388,506.23

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Solution

The fourth proportional to 893,945.19, 1,340,887.71 and 388,506.23 is: 582,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,945.19 : 1,340,887.71 = 388,506.23 : x
  2. Step 2: Convert to fraction form
    893,945.19/1,340,887.71 = 388,506.23/x
  3. Step 3: Cross multiply
    893,945.19x = 1,340,887.71 × 388,506.23
  4. Step 4: Simplify right side
    893,945.19x = 520,943,225,713.21
  5. Step 5: Solve for x
    x = 520,943,225,713.21/893,945.19
  6. Step 6: Final answer
    x = 582,746.27

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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.