Home / 1,143,158.58-1,577,413.84-626,776.58

Finding the Fourth Proportional to 1,143,158.58, 1,577,413.84 and 626,776.58

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Solution

The fourth proportional to 1,143,158.58, 1,577,413.84 and 626,776.58 is: 864,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,158.58 : 1,577,413.84 = 626,776.58 : x
  2. Step 2: Convert to fraction form
    1,143,158.58/1,577,413.84 = 626,776.58/x
  3. Step 3: Cross multiply
    1,143,158.58x = 1,577,413.84 × 626,776.58
  4. Step 4: Simplify right side
    1,143,158.58x = 988,686,051,879.87
  5. Step 5: Solve for x
    x = 988,686,051,879.87/1,143,158.58
  6. Step 6: Final answer
    x = 864,872.18

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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.