Home / 831,986.70-1,248,181.65-241,010.70

Finding the Fourth Proportional to 831,986.70, 1,248,181.65 and 241,010.70

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Solution

The fourth proportional to 831,986.70, 1,248,181.65 and 241,010.70 is: 361,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,986.70 : 1,248,181.65 = 241,010.70 : x
  2. Step 2: Convert to fraction form
    831,986.70/1,248,181.65 = 241,010.70/x
  3. Step 3: Cross multiply
    831,986.70x = 1,248,181.65 × 241,010.70
  4. Step 4: Simplify right side
    831,986.70x = 300,825,133,193.66
  5. Step 5: Solve for x
    x = 300,825,133,193.66/831,986.70
  6. Step 6: Final answer
    x = 361,574.45

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Half scale
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Double scale
Find fourth proportional to 831,987.70, 1,248,183.15 and 241,011.70
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.