Home / 1,235,714.40-1,853,571.60-436,989.60

Finding the Fourth Proportional to 1,235,714.40, 1,853,571.60 and 436,989.60

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Solution

The fourth proportional to 1,235,714.40, 1,853,571.60 and 436,989.60 is: 655,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,714.40 : 1,853,571.60 = 436,989.60 : x
  2. Step 2: Convert to fraction form
    1,235,714.40/1,853,571.60 = 436,989.60/x
  3. Step 3: Cross multiply
    1,235,714.40x = 1,853,571.60 × 436,989.60
  4. Step 4: Simplify right side
    1,235,714.40x = 809,991,512,055.36
  5. Step 5: Solve for x
    x = 809,991,512,055.36/1,235,714.40
  6. Step 6: Final answer
    x = 655,484.40

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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.