Home / 1,191,875.36-1,644,552.72-668,603.36

Finding the Fourth Proportional to 1,191,875.36, 1,644,552.72 and 668,603.36

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Solution

The fourth proportional to 1,191,875.36, 1,644,552.72 and 668,603.36 is: 922,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,875.36 : 1,644,552.72 = 668,603.36 : x
  2. Step 2: Convert to fraction form
    1,191,875.36/1,644,552.72 = 668,603.36/x
  3. Step 3: Cross multiply
    1,191,875.36x = 1,644,552.72 × 668,603.36
  4. Step 4: Simplify right side
    1,191,875.36x = 1,099,553,474,289.14
  5. Step 5: Solve for x
    x = 1,099,553,474,289.14/1,191,875.36
  6. Step 6: Final answer
    x = 922,540.65

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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.