Home / 1,284,233-1,924,956.65-642,990.26

Finding the Fourth Proportional to 1,284,233, 1,924,956.65 and 642,990.26

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Solution

The fourth proportional to 1,284,233, 1,924,956.65 and 642,990.26 is: 963,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,233 : 1,924,956.65 = 642,990.26 : x
  2. Step 2: Convert to fraction form
    1,284,233/1,924,956.65 = 642,990.26/x
  3. Step 3: Cross multiply
    1,284,233x = 1,924,956.65 × 642,990.26
  4. Step 4: Simplify right side
    1,284,233x = 1,237,728,367,247.45
  5. Step 5: Solve for x
    x = 1,237,728,367,247.45/1,284,233
  6. Step 6: Final answer
    x = 963,788.01

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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.