Home / 487,413.05-730,848.02-150,358.07

Finding the Fourth Proportional to 487,413.05, 730,848.02 and 150,358.07

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Solution

The fourth proportional to 487,413.05, 730,848.02 and 150,358.07 is: 225,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,413.05 : 730,848.02 = 150,358.07 : x
  2. Step 2: Convert to fraction form
    487,413.05/730,848.02 = 150,358.07/x
  3. Step 3: Cross multiply
    487,413.05x = 730,848.02 × 150,358.07
  4. Step 4: Simplify right side
    487,413.05x = 109,888,898,825.85
  5. Step 5: Solve for x
    x = 109,888,898,825.85/487,413.05
  6. Step 6: Final answer
    x = 225,453.34

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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.