Home / 1,089,705.90-1,634,558.85-341,750.70

Finding the Fourth Proportional to 1,089,705.90, 1,634,558.85 and 341,750.70

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Solution

The fourth proportional to 1,089,705.90, 1,634,558.85 and 341,750.70 is: 512,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,705.90 : 1,634,558.85 = 341,750.70 : x
  2. Step 2: Convert to fraction form
    1,089,705.90/1,634,558.85 = 341,750.70/x
  3. Step 3: Cross multiply
    1,089,705.90x = 1,634,558.85 × 341,750.70
  4. Step 4: Simplify right side
    1,089,705.90x = 558,611,631,178.70
  5. Step 5: Solve for x
    x = 558,611,631,178.70/1,089,705.90
  6. Step 6: Final answer
    x = 512,626.05

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Double scale
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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.