Home / 628,072.83-942,109.76-154,758.24

Finding the Fourth Proportional to 628,072.83, 942,109.76 and 154,758.24

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Solution

The fourth proportional to 628,072.83, 942,109.76 and 154,758.24 is: 232,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,072.83 : 942,109.76 = 154,758.24 : x
  2. Step 2: Convert to fraction form
    628,072.83/942,109.76 = 154,758.24/x
  3. Step 3: Cross multiply
    628,072.83x = 942,109.76 × 154,758.24
  4. Step 4: Simplify right side
    628,072.83x = 145,799,248,731.32
  5. Step 5: Solve for x
    x = 145,799,248,731.32/628,072.83
  6. Step 6: Final answer
    x = 232,137.49

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Similar ratio
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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.