Home / 1,200,779.28-1,801,168.56-452,650.32

Finding the Fourth Proportional to 1,200,779.28, 1,801,168.56 and 452,650.32

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Solution

The fourth proportional to 1,200,779.28, 1,801,168.56 and 452,650.32 is: 678,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,779.28 : 1,801,168.56 = 452,650.32 : x
  2. Step 2: Convert to fraction form
    1,200,779.28/1,801,168.56 = 452,650.32/x
  3. Step 3: Cross multiply
    1,200,779.28x = 1,801,168.56 × 452,650.32
  4. Step 4: Simplify right side
    1,200,779.28x = 815,299,525,057.94
  5. Step 5: Solve for x
    x = 815,299,525,057.94/1,200,779.28
  6. Step 6: Final answer
    x = 678,975.34

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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.