Home / 628,186.93-939,902.56-372,156.96

Finding the Fourth Proportional to 628,186.93, 939,902.56 and 372,156.96

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Solution

The fourth proportional to 628,186.93, 939,902.56 and 372,156.96 is: 556,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,186.93 : 939,902.56 = 372,156.96 : x
  2. Step 2: Convert to fraction form
    628,186.93/939,902.56 = 372,156.96/x
  3. Step 3: Cross multiply
    628,186.93x = 939,902.56 × 372,156.96
  4. Step 4: Simplify right side
    628,186.93x = 349,791,278,495.43
  5. Step 5: Solve for x
    x = 349,791,278,495.43/628,186.93
  6. Step 6: Final answer
    x = 556,826.74

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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.