Home / 985,363.25-1,477,388.57-354,195.05

Finding the Fourth Proportional to 985,363.25, 1,477,388.57 and 354,195.05

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Solution

The fourth proportional to 985,363.25, 1,477,388.57 and 354,195.05 is: 531,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,363.25 : 1,477,388.57 = 354,195.05 : x
  2. Step 2: Convert to fraction form
    985,363.25/1,477,388.57 = 354,195.05/x
  3. Step 3: Cross multiply
    985,363.25x = 1,477,388.57 × 354,195.05
  4. Step 4: Simplify right side
    985,363.25x = 523,283,709,262.66
  5. Step 5: Solve for x
    x = 523,283,709,262.66/985,363.25
  6. Step 6: Final answer
    x = 531,056.66

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Double scale
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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.