Home / 624,935.86-862,413.69-338,455.06

Finding the Fourth Proportional to 624,935.86, 862,413.69 and 338,455.06

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Solution

The fourth proportional to 624,935.86, 862,413.69 and 338,455.06 is: 467,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,935.86 : 862,413.69 = 338,455.06 : x
  2. Step 2: Convert to fraction form
    624,935.86/862,413.69 = 338,455.06/x
  3. Step 3: Cross multiply
    624,935.86x = 862,413.69 × 338,455.06
  4. Step 4: Simplify right side
    624,935.86x = 291,888,277,193.77
  5. Step 5: Solve for x
    x = 291,888,277,193.77/624,935.86
  6. Step 6: Final answer
    x = 467,069.18

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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.