Home / 526,914.40-789,464.40-245,855.20

Finding the Fourth Proportional to 526,914.40, 789,464.40 and 245,855.20

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Solution

The fourth proportional to 526,914.40, 789,464.40 and 245,855.20 is: 368,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,914.40 : 789,464.40 = 245,855.20 : x
  2. Step 2: Convert to fraction form
    526,914.40/789,464.40 = 245,855.20/x
  3. Step 3: Cross multiply
    526,914.40x = 789,464.40 × 245,855.20
  4. Step 4: Simplify right side
    526,914.40x = 194,093,927,954.88
  5. Step 5: Solve for x
    x = 194,093,927,954.88/526,914.40
  6. Step 6: Final answer
    x = 368,359.51

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Double scale
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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.