Home / 789,878.88-1,184,890.32-257,263.20

Finding the Fourth Proportional to 789,878.88, 1,184,890.32 and 257,263.20

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Solution

The fourth proportional to 789,878.88, 1,184,890.32 and 257,263.20 is: 385,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,878.88 : 1,184,890.32 = 257,263.20 : x
  2. Step 2: Convert to fraction form
    789,878.88/1,184,890.32 = 257,263.20/x
  3. Step 3: Cross multiply
    789,878.88x = 1,184,890.32 × 257,263.20
  4. Step 4: Simplify right side
    789,878.88x = 304,828,675,372.22
  5. Step 5: Solve for x
    x = 304,828,675,372.22/789,878.88
  6. Step 6: Final answer
    x = 385,918.25

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Half scale
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Double scale
Find fourth proportional to 789,879.88, 1,184,891.82 and 257,264.20
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.