Home / 628,993.06-942,616.70-286,599.73

Finding the Fourth Proportional to 628,993.06, 942,616.70 and 286,599.73

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Solution

The fourth proportional to 628,993.06, 942,616.70 and 286,599.73 is: 429,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,993.06 : 942,616.70 = 286,599.73 : x
  2. Step 2: Convert to fraction form
    628,993.06/942,616.70 = 286,599.73/x
  3. Step 3: Cross multiply
    628,993.06x = 942,616.70 × 286,599.73
  4. Step 4: Simplify right side
    628,993.06x = 270,153,685,567.41
  5. Step 5: Solve for x
    x = 270,153,685,567.41/628,993.06
  6. Step 6: Final answer
    x = 429,501.86

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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.