Home / 852,477.50-1,176,413.28-470,504.28

Finding the Fourth Proportional to 852,477.50, 1,176,413.28 and 470,504.28

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Solution

The fourth proportional to 852,477.50, 1,176,413.28 and 470,504.28 is: 649,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,477.50 : 1,176,413.28 = 470,504.28 : x
  2. Step 2: Convert to fraction form
    852,477.50/1,176,413.28 = 470,504.28/x
  3. Step 3: Cross multiply
    852,477.50x = 1,176,413.28 × 470,504.28
  4. Step 4: Simplify right side
    852,477.50x = 553,507,483,288.84
  5. Step 5: Solve for x
    x = 553,507,483,288.84/852,477.50
  6. Step 6: Final answer
    x = 649,292.78

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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.