Home / 739,235.80-1,108,853.70-664,586.20

Finding the Fourth Proportional to 739,235.80, 1,108,853.70 and 664,586.20

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Solution

The fourth proportional to 739,235.80, 1,108,853.70 and 664,586.20 is: 996,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,235.80 : 1,108,853.70 = 664,586.20 : x
  2. Step 2: Convert to fraction form
    739,235.80/1,108,853.70 = 664,586.20/x
  3. Step 3: Cross multiply
    739,235.80x = 1,108,853.70 × 664,586.20
  4. Step 4: Simplify right side
    739,235.80x = 736,928,866,838.94
  5. Step 5: Solve for x
    x = 736,928,866,838.94/739,235.80
  6. Step 6: Final answer
    x = 996,879.30

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Half scale
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Double scale
Find fourth proportional to 739,236.80, 1,108,855.20 and 664,587.20
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.