Home / 638,282.74-957,427.26-189,012.10

Finding the Fourth Proportional to 638,282.74, 957,427.26 and 189,012.10

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Solution

The fourth proportional to 638,282.74, 957,427.26 and 189,012.10 is: 283,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,282.74 : 957,427.26 = 189,012.10 : x
  2. Step 2: Convert to fraction form
    638,282.74/957,427.26 = 189,012.10/x
  3. Step 3: Cross multiply
    638,282.74x = 957,427.26 × 189,012.10
  4. Step 4: Simplify right side
    638,282.74x = 180,965,337,009.85
  5. Step 5: Solve for x
    x = 180,965,337,009.85/638,282.74
  6. Step 6: Final answer
    x = 283,519.08

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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.