Home / 789,321.51-1,184,043.81-283,948.20

Finding the Fourth Proportional to 789,321.51, 1,184,043.81 and 283,948.20

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Solution

The fourth proportional to 789,321.51, 1,184,043.81 and 283,948.20 is: 425,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,321.51 : 1,184,043.81 = 283,948.20 : x
  2. Step 2: Convert to fraction form
    789,321.51/1,184,043.81 = 283,948.20/x
  3. Step 3: Cross multiply
    789,321.51x = 1,184,043.81 × 283,948.20
  4. Step 4: Simplify right side
    789,321.51x = 336,207,108,570.64
  5. Step 5: Solve for x
    x = 336,207,108,570.64/789,321.51
  6. Step 6: Final answer
    x = 425,944.44

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Double scale
Find fourth proportional to 789,322.51, 1,184,045.31 and 283,949.20
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.