Home / 739,234.72-1,103,504.54-649,554.40

Finding the Fourth Proportional to 739,234.72, 1,103,504.54 and 649,554.40

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Solution

The fourth proportional to 739,234.72, 1,103,504.54 and 649,554.40 is: 969,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,234.72 : 1,103,504.54 = 649,554.40 : x
  2. Step 2: Convert to fraction form
    739,234.72/1,103,504.54 = 649,554.40/x
  3. Step 3: Cross multiply
    739,234.72x = 1,103,504.54 × 649,554.40
  4. Step 4: Simplify right side
    739,234.72x = 716,786,229,376.98
  5. Step 5: Solve for x
    x = 716,786,229,376.98/739,234.72
  6. Step 6: Final answer
    x = 969,632.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.