Home / 628,197.64-939,918.57-372,167.66

Finding the Fourth Proportional to 628,197.64, 939,918.57 and 372,167.66

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Solution

The fourth proportional to 628,197.64, 939,918.57 and 372,167.66 is: 556,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,197.64 : 939,918.57 = 372,167.66 : x
  2. Step 2: Convert to fraction form
    628,197.64/939,918.57 = 372,167.66/x
  3. Step 3: Cross multiply
    628,197.64x = 939,918.57 × 372,167.66
  4. Step 4: Simplify right side
    628,197.64x = 349,807,294,787.45
  5. Step 5: Solve for x
    x = 349,807,294,787.45/628,197.64
  6. Step 6: Final answer
    x = 556,842.74

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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.