Home / 948,996.55-1,309,644.62-519,294.79

Finding the Fourth Proportional to 948,996.55, 1,309,644.62 and 519,294.79

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Solution

The fourth proportional to 948,996.55, 1,309,644.62 and 519,294.79 is: 716,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,996.55 : 1,309,644.62 = 519,294.79 : x
  2. Step 2: Convert to fraction form
    948,996.55/1,309,644.62 = 519,294.79/x
  3. Step 3: Cross multiply
    948,996.55x = 1,309,644.62 × 519,294.79
  4. Step 4: Simplify right side
    948,996.55x = 680,091,627,917.53
  5. Step 5: Solve for x
    x = 680,091,627,917.53/948,996.55
  6. Step 6: Final answer
    x = 716,642.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.