Home / 928,525.02-1,392,787.98-612,908.16

Finding the Fourth Proportional to 928,525.02, 1,392,787.98 and 612,908.16

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Solution

The fourth proportional to 928,525.02, 1,392,787.98 and 612,908.16 is: 919,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,525.02 : 1,392,787.98 = 612,908.16 : x
  2. Step 2: Convert to fraction form
    928,525.02/1,392,787.98 = 612,908.16/x
  3. Step 3: Cross multiply
    928,525.02x = 1,392,787.98 × 612,908.16
  4. Step 4: Simplify right side
    928,525.02x = 853,651,118,091.92
  5. Step 5: Solve for x
    x = 853,651,118,091.92/928,525.02
  6. Step 6: Final answer
    x = 919,362.54

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Double scale
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Similar ratio
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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.