Home / 939,441.53-1,409,145.80-650,987.16

Finding the Fourth Proportional to 939,441.53, 1,409,145.80 and 650,987.16

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Solution

The fourth proportional to 939,441.53, 1,409,145.80 and 650,987.16 is: 976,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,441.53 : 1,409,145.80 = 650,987.16 : x
  2. Step 2: Convert to fraction form
    939,441.53/1,409,145.80 = 650,987.16/x
  3. Step 3: Cross multiply
    939,441.53x = 1,409,145.80 × 650,987.16
  4. Step 4: Simplify right side
    939,441.53x = 917,335,819,112.99
  5. Step 5: Solve for x
    x = 917,335,819,112.99/939,441.53
  6. Step 6: Final answer
    x = 976,469.31

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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.