Home / 928,969.70-1,393,456.71-255,060.23

Finding the Fourth Proportional to 928,969.70, 1,393,456.71 and 255,060.23

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Solution

The fourth proportional to 928,969.70, 1,393,456.71 and 255,060.23 is: 382,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,969.70 : 1,393,456.71 = 255,060.23 : x
  2. Step 2: Convert to fraction form
    928,969.70/1,393,456.71 = 255,060.23/x
  3. Step 3: Cross multiply
    928,969.70x = 1,393,456.71 × 255,060.23
  4. Step 4: Simplify right side
    928,969.70x = 355,415,381,980.36
  5. Step 5: Solve for x
    x = 355,415,381,980.36/928,969.70
  6. Step 6: Final answer
    x = 382,590.93

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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.