Home / 659,161.24-909,678.54-372,706.36

Finding the Fourth Proportional to 659,161.24, 909,678.54 and 372,706.36

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Solution

The fourth proportional to 659,161.24, 909,678.54 and 372,706.36 is: 514,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,161.24 : 909,678.54 = 372,706.36 : x
  2. Step 2: Convert to fraction form
    659,161.24/909,678.54 = 372,706.36/x
  3. Step 3: Cross multiply
    659,161.24x = 909,678.54 × 372,706.36
  4. Step 4: Simplify right side
    659,161.24x = 339,042,977,413.51
  5. Step 5: Solve for x
    x = 339,042,977,413.51/659,161.24
  6. Step 6: Final answer
    x = 514,355.15

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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.