Home / 1,272,783.09-1,909,173.93-374,232.27

Finding the Fourth Proportional to 1,272,783.09, 1,909,173.93 and 374,232.27

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Solution

The fourth proportional to 1,272,783.09, 1,909,173.93 and 374,232.27 is: 561,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,783.09 : 1,909,173.93 = 374,232.27 : x
  2. Step 2: Convert to fraction form
    1,272,783.09/1,909,173.93 = 374,232.27/x
  3. Step 3: Cross multiply
    1,272,783.09x = 1,909,173.93 × 374,232.27
  4. Step 4: Simplify right side
    1,272,783.09x = 714,474,493,648.72
  5. Step 5: Solve for x
    x = 714,474,493,648.72/1,272,783.09
  6. Step 6: Final answer
    x = 561,348.20

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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.