Home / 945,658.33-1,418,382.36-338,422.14

Finding the Fourth Proportional to 945,658.33, 1,418,382.36 and 338,422.14

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Solution

The fourth proportional to 945,658.33, 1,418,382.36 and 338,422.14 is: 507,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,658.33 : 1,418,382.36 = 338,422.14 : x
  2. Step 2: Convert to fraction form
    945,658.33/1,418,382.36 = 338,422.14/x
  3. Step 3: Cross multiply
    945,658.33x = 1,418,382.36 × 338,422.14
  4. Step 4: Simplify right side
    945,658.33x = 480,011,992,328.73
  5. Step 5: Solve for x
    x = 480,011,992,328.73/945,658.33
  6. Step 6: Final answer
    x = 507,595.58

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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.