Home / 746,723.40-1,120,085.10-248,087.40

Finding the Fourth Proportional to 746,723.40, 1,120,085.10 and 248,087.40

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Solution

The fourth proportional to 746,723.40, 1,120,085.10 and 248,087.40 is: 372,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,723.40 : 1,120,085.10 = 248,087.40 : x
  2. Step 2: Convert to fraction form
    746,723.40/1,120,085.10 = 248,087.40/x
  3. Step 3: Cross multiply
    746,723.40x = 1,120,085.10 × 248,087.40
  4. Step 4: Simplify right side
    746,723.40x = 277,879,000,237.74
  5. Step 5: Solve for x
    x = 277,879,000,237.74/746,723.40
  6. Step 6: Final answer
    x = 372,131.10

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Half scale
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Double scale
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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.