Home / 526,347.09-789,513.30-126,984.49

Finding the Fourth Proportional to 526,347.09, 789,513.30 and 126,984.49

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Solution

The fourth proportional to 526,347.09, 789,513.30 and 126,984.49 is: 190,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,347.09 : 789,513.30 = 126,984.49 : x
  2. Step 2: Convert to fraction form
    526,347.09/789,513.30 = 126,984.49/x
  3. Step 3: Cross multiply
    526,347.09x = 789,513.30 × 126,984.49
  4. Step 4: Simplify right side
    526,347.09x = 100,255,941,774.93
  5. Step 5: Solve for x
    x = 100,255,941,774.93/526,347.09
  6. Step 6: Final answer
    x = 190,474.96

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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.