Home / 628,558.56-867,394.16-342,072.51

Finding the Fourth Proportional to 628,558.56, 867,394.16 and 342,072.51

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Solution

The fourth proportional to 628,558.56, 867,394.16 and 342,072.51 is: 472,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,558.56 : 867,394.16 = 342,072.51 : x
  2. Step 2: Convert to fraction form
    628,558.56/867,394.16 = 342,072.51/x
  3. Step 3: Cross multiply
    628,558.56x = 867,394.16 × 342,072.51
  4. Step 4: Simplify right side
    628,558.56x = 296,711,695,760.18
  5. Step 5: Solve for x
    x = 296,711,695,760.18/628,558.56
  6. Step 6: Final answer
    x = 472,051.00

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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.