Home / 1,183,136.40-1,774,704.60-435,085.20

Finding the Fourth Proportional to 1,183,136.40, 1,774,704.60 and 435,085.20

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Solution

The fourth proportional to 1,183,136.40, 1,774,704.60 and 435,085.20 is: 652,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,136.40 : 1,774,704.60 = 435,085.20 : x
  2. Step 2: Convert to fraction form
    1,183,136.40/1,774,704.60 = 435,085.20/x
  3. Step 3: Cross multiply
    1,183,136.40x = 1,774,704.60 × 435,085.20
  4. Step 4: Simplify right side
    1,183,136.40x = 772,147,705,831.92
  5. Step 5: Solve for x
    x = 772,147,705,831.92/1,183,136.40
  6. Step 6: Final answer
    x = 652,627.80

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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.