Home / 1,036,986.60-1,555,479.90-446,010.60

Finding the Fourth Proportional to 1,036,986.60, 1,555,479.90 and 446,010.60

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Solution

The fourth proportional to 1,036,986.60, 1,555,479.90 and 446,010.60 is: 669,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,986.60 : 1,555,479.90 = 446,010.60 : x
  2. Step 2: Convert to fraction form
    1,036,986.60/1,555,479.90 = 446,010.60/x
  3. Step 3: Cross multiply
    1,036,986.60x = 1,555,479.90 × 446,010.60
  4. Step 4: Simplify right side
    1,036,986.60x = 693,760,523,486.94
  5. Step 5: Solve for x
    x = 693,760,523,486.94/1,036,986.60
  6. Step 6: Final answer
    x = 669,015.90

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Double scale
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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.