Home / 628,077.38-942,116.59-154,762.79

Finding the Fourth Proportional to 628,077.38, 942,116.59 and 154,762.79

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Solution

The fourth proportional to 628,077.38, 942,116.59 and 154,762.79 is: 232,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,077.38 : 942,116.59 = 154,762.79 : x
  2. Step 2: Convert to fraction form
    628,077.38/942,116.59 = 154,762.79/x
  3. Step 3: Cross multiply
    628,077.38x = 942,116.59 × 154,762.79
  4. Step 4: Simplify right side
    628,077.38x = 145,804,590,409.13
  5. Step 5: Solve for x
    x = 145,804,590,409.13/628,077.38
  6. Step 6: Final answer
    x = 232,144.31

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Similar ratio
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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.