Home / 739,745.33-1,020,790.41-453,226.46

Finding the Fourth Proportional to 739,745.33, 1,020,790.41 and 453,226.46

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Solution

The fourth proportional to 739,745.33, 1,020,790.41 and 453,226.46 is: 625,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,745.33 : 1,020,790.41 = 453,226.46 : x
  2. Step 2: Convert to fraction form
    739,745.33/1,020,790.41 = 453,226.46/x
  3. Step 3: Cross multiply
    739,745.33x = 1,020,790.41 × 453,226.46
  4. Step 4: Simplify right side
    739,745.33x = 462,649,226,478.23
  5. Step 5: Solve for x
    x = 462,649,226,478.23/739,745.33
  6. Step 6: Final answer
    x = 625,416.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.