Home / 526,262.27-789,386.51-126,900.07

Finding the Fourth Proportional to 526,262.27, 789,386.51 and 126,900.07

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Solution

The fourth proportional to 526,262.27, 789,386.51 and 126,900.07 is: 190,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,262.27 : 789,386.51 = 126,900.07 : x
  2. Step 2: Convert to fraction form
    526,262.27/789,386.51 = 126,900.07/x
  3. Step 3: Cross multiply
    526,262.27x = 789,386.51 × 126,900.07
  4. Step 4: Simplify right side
    526,262.27x = 100,173,201,719.84
  5. Step 5: Solve for x
    x = 100,173,201,719.84/526,262.27
  6. Step 6: Final answer
    x = 190,348.44

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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.