Home / 526,026.40-789,039.60-193,559.20

Finding the Fourth Proportional to 526,026.40, 789,039.60 and 193,559.20

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Solution

The fourth proportional to 526,026.40, 789,039.60 and 193,559.20 is: 290,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,026.40 : 789,039.60 = 193,559.20 : x
  2. Step 2: Convert to fraction form
    526,026.40/789,039.60 = 193,559.20/x
  3. Step 3: Cross multiply
    526,026.40x = 789,039.60 × 193,559.20
  4. Step 4: Simplify right side
    526,026.40x = 152,725,873,744.32
  5. Step 5: Solve for x
    x = 152,725,873,744.32/526,026.40
  6. Step 6: Final answer
    x = 290,338.80

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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.