Home / 886,821.51-1,223,815.32-484,413.51

Finding the Fourth Proportional to 886,821.51, 1,223,815.32 and 484,413.51

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Solution

The fourth proportional to 886,821.51, 1,223,815.32 and 484,413.51 is: 668,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,821.51 : 1,223,815.32 = 484,413.51 : x
  2. Step 2: Convert to fraction form
    886,821.51/1,223,815.32 = 484,413.51/x
  3. Step 3: Cross multiply
    886,821.51x = 1,223,815.32 × 484,413.51
  4. Step 4: Simplify right side
    886,821.51x = 592,832,674,752.97
  5. Step 5: Solve for x
    x = 592,832,674,752.97/886,821.51
  6. Step 6: Final answer
    x = 668,491.54

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1.5x scale

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.