Home / 648,941.76-973,588.32-199,653.12

Finding the Fourth Proportional to 648,941.76, 973,588.32 and 199,653.12

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Solution

The fourth proportional to 648,941.76, 973,588.32 and 199,653.12 is: 299,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,941.76 : 973,588.32 = 199,653.12 : x
  2. Step 2: Convert to fraction form
    648,941.76/973,588.32 = 199,653.12/x
  3. Step 3: Cross multiply
    648,941.76x = 973,588.32 × 199,653.12
  4. Step 4: Simplify right side
    648,941.76x = 194,379,945,683.56
  5. Step 5: Solve for x
    x = 194,379,945,683.56/648,941.76
  6. Step 6: Final answer
    x = 299,533.73

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Double scale
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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.