Home / 789,590.41-1,184,120.40-256,986.18

Finding the Fourth Proportional to 789,590.41, 1,184,120.40 and 256,986.18

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Solution

The fourth proportional to 789,590.41, 1,184,120.40 and 256,986.18 is: 385,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,590.41 : 1,184,120.40 = 256,986.18 : x
  2. Step 2: Convert to fraction form
    789,590.41/1,184,120.40 = 256,986.18/x
  3. Step 3: Cross multiply
    789,590.41x = 1,184,120.40 × 256,986.18
  4. Step 4: Simplify right side
    789,590.41x = 304,302,579,219.77
  5. Step 5: Solve for x
    x = 304,302,579,219.77/789,590.41
  6. Step 6: Final answer
    x = 385,392.95

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Half scale
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Double scale
Find fourth proportional to 789,591.41, 1,184,121.90 and 256,987.18
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.