Home / 928,522.02-1,392,783.48-612,905.16

Finding the Fourth Proportional to 928,522.02, 1,392,783.48 and 612,905.16

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Solution

The fourth proportional to 928,522.02, 1,392,783.48 and 612,905.16 is: 919,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,522.02 : 1,392,783.48 = 612,905.16 : x
  2. Step 2: Convert to fraction form
    928,522.02/1,392,783.48 = 612,905.16/x
  3. Step 3: Cross multiply
    928,522.02x = 1,392,783.48 × 612,905.16
  4. Step 4: Simplify right side
    928,522.02x = 853,644,181,654.76
  5. Step 5: Solve for x
    x = 853,644,181,654.76/928,522.02
  6. Step 6: Final answer
    x = 919,358.04

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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.