Home / 456,528.26-684,421.23-190,486.94

Finding the Fourth Proportional to 456,528.26, 684,421.23 and 190,486.94

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Solution

The fourth proportional to 456,528.26, 684,421.23 and 190,486.94 is: 285,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,528.26 : 684,421.23 = 190,486.94 : x
  2. Step 2: Convert to fraction form
    456,528.26/684,421.23 = 190,486.94/x
  3. Step 3: Cross multiply
    456,528.26x = 684,421.23 × 190,486.94
  4. Step 4: Simplify right side
    456,528.26x = 130,373,305,773.74
  5. Step 5: Solve for x
    x = 130,373,305,773.74/456,528.26
  6. Step 6: Final answer
    x = 285,575.54

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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.