Home / 982,081.40-1,473,122.10-351,015.80

Finding the Fourth Proportional to 982,081.40, 1,473,122.10 and 351,015.80

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Solution

The fourth proportional to 982,081.40, 1,473,122.10 and 351,015.80 is: 526,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,081.40 : 1,473,122.10 = 351,015.80 : x
  2. Step 2: Convert to fraction form
    982,081.40/1,473,122.10 = 351,015.80/x
  3. Step 3: Cross multiply
    982,081.40x = 1,473,122.10 × 351,015.80
  4. Step 4: Simplify right side
    982,081.40x = 517,089,132,429.18
  5. Step 5: Solve for x
    x = 517,089,132,429.18/982,081.40
  6. Step 6: Final answer
    x = 526,523.70

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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.