Home / 950,037.25-1,311,065.67-520,357.45

Finding the Fourth Proportional to 950,037.25, 1,311,065.67 and 520,357.45

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Solution

The fourth proportional to 950,037.25, 1,311,065.67 and 520,357.45 is: 718,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,037.25 : 1,311,065.67 = 520,357.45 : x
  2. Step 2: Convert to fraction form
    950,037.25/1,311,065.67 = 520,357.45/x
  3. Step 3: Cross multiply
    950,037.25x = 1,311,065.67 × 520,357.45
  4. Step 4: Simplify right side
    950,037.25x = 682,222,788,823.74
  5. Step 5: Solve for x
    x = 682,222,788,823.74/950,037.25
  6. Step 6: Final answer
    x = 718,101.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.