Home / 628,485.13-942,783.27-179,196.35

Finding the Fourth Proportional to 628,485.13, 942,783.27 and 179,196.35

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Solution

The fourth proportional to 628,485.13, 942,783.27 and 179,196.35 is: 268,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,485.13 : 942,783.27 = 179,196.35 : x
  2. Step 2: Convert to fraction form
    628,485.13/942,783.27 = 179,196.35/x
  3. Step 3: Cross multiply
    628,485.13x = 942,783.27 × 179,196.35
  4. Step 4: Simplify right side
    628,485.13x = 168,943,322,254.29
  5. Step 5: Solve for x
    x = 168,943,322,254.29/628,485.13
  6. Step 6: Final answer
    x = 268,810.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.