Home / 628,223.26-942,344.88-154,908.76

Finding the Fourth Proportional to 628,223.26, 942,344.88 and 154,908.76

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Solution

The fourth proportional to 628,223.26, 942,344.88 and 154,908.76 is: 232,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,223.26 : 942,344.88 = 154,908.76 : x
  2. Step 2: Convert to fraction form
    628,223.26/942,344.88 = 154,908.76/x
  3. Step 3: Cross multiply
    628,223.26x = 942,344.88 × 154,908.76
  4. Step 4: Simplify right side
    628,223.26x = 145,977,476,853.15
  5. Step 5: Solve for x
    x = 145,977,476,853.15/628,223.26
  6. Step 6: Final answer
    x = 232,365.60

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1.5x scale

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.