Home / 648,627-973,033.53-199,385.60

Finding the Fourth Proportional to 648,627, 973,033.53 and 199,385.60

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Solution

The fourth proportional to 648,627, 973,033.53 and 199,385.60 is: 299,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,627 : 973,033.53 = 199,385.60 : x
  2. Step 2: Convert to fraction form
    648,627/973,033.53 = 199,385.60/x
  3. Step 3: Cross multiply
    648,627x = 973,033.53 × 199,385.60
  4. Step 4: Simplify right side
    648,627x = 194,008,869,334.00
  5. Step 5: Solve for x
    x = 194,008,869,334.00/648,627
  6. Step 6: Final answer
    x = 299,106.99

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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.