Home / 628,194.42-941,373.09-390,815.82

Finding the Fourth Proportional to 628,194.42, 941,373.09 and 390,815.82

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Solution

The fourth proportional to 628,194.42, 941,373.09 and 390,815.82 is: 585,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,194.42 : 941,373.09 = 390,815.82 : x
  2. Step 2: Convert to fraction form
    628,194.42/941,373.09 = 390,815.82/x
  3. Step 3: Cross multiply
    628,194.42x = 941,373.09 × 390,815.82
  4. Step 4: Simplify right side
    628,194.42x = 367,903,496,094.28
  5. Step 5: Solve for x
    x = 367,903,496,094.28/628,194.42
  6. Step 6: Final answer
    x = 585,652.28

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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.