Home / 648,873.76-973,312.93-199,591.60

Finding the Fourth Proportional to 648,873.76, 973,312.93 and 199,591.60

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Solution

The fourth proportional to 648,873.76, 973,312.93 and 199,591.60 is: 299,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,873.76 : 973,312.93 = 199,591.60 : x
  2. Step 2: Convert to fraction form
    648,873.76/973,312.93 = 199,591.60/x
  3. Step 3: Cross multiply
    648,873.76x = 973,312.93 × 199,591.60
  4. Step 4: Simplify right side
    648,873.76x = 194,265,084,999.39
  5. Step 5: Solve for x
    x = 194,265,084,999.39/648,873.76
  6. Step 6: Final answer
    x = 299,388.10

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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.