Home / 1,132,978.81-1,563,840.93-740,568.77

Finding the Fourth Proportional to 1,132,978.81, 1,563,840.93 and 740,568.77

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Solution

The fourth proportional to 1,132,978.81, 1,563,840.93 and 740,568.77 is: 1,022,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,978.81 : 1,563,840.93 = 740,568.77 : x
  2. Step 2: Convert to fraction form
    1,132,978.81/1,563,840.93 = 740,568.77/x
  3. Step 3: Cross multiply
    1,132,978.81x = 1,563,840.93 × 740,568.77
  4. Step 4: Simplify right side
    1,132,978.81x = 1,158,131,759,458.99
  5. Step 5: Solve for x
    x = 1,158,131,759,458.99/1,132,978.81
  6. Step 6: Final answer
    x = 1,022,200.73

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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.