Home / 928,823.88-1,393,435.79-289,114.03

Finding the Fourth Proportional to 928,823.88, 1,393,435.79 and 289,114.03

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Solution

The fourth proportional to 928,823.88, 1,393,435.79 and 289,114.03 is: 433,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,823.88 : 1,393,435.79 = 289,114.03 : x
  2. Step 2: Convert to fraction form
    928,823.88/1,393,435.79 = 289,114.03/x
  3. Step 3: Cross multiply
    928,823.88x = 1,393,435.79 × 289,114.03
  4. Step 4: Simplify right side
    928,823.88x = 402,861,828,380.39
  5. Step 5: Solve for x
    x = 402,861,828,380.39/928,823.88
  6. Step 6: Final answer
    x = 433,733.28

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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.