Home / 928,553.02-1,392,829.98-612,936.16

Finding the Fourth Proportional to 928,553.02, 1,392,829.98 and 612,936.16

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Solution

The fourth proportional to 928,553.02, 1,392,829.98 and 612,936.16 is: 919,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,553.02 : 1,392,829.98 = 612,936.16 : x
  2. Step 2: Convert to fraction form
    928,553.02/1,392,829.98 = 612,936.16/x
  3. Step 3: Cross multiply
    928,553.02x = 1,392,829.98 × 612,936.16
  4. Step 4: Simplify right side
    928,553.02x = 853,715,859,474.08
  5. Step 5: Solve for x
    x = 853,715,859,474.08/928,553.02
  6. Step 6: Final answer
    x = 919,404.54

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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.