Home / 1,013,479.21-1,519,160.08-339,005.84

Finding the Fourth Proportional to 1,013,479.21, 1,519,160.08 and 339,005.84

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Solution

The fourth proportional to 1,013,479.21, 1,519,160.08 and 339,005.84 is: 508,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,479.21 : 1,519,160.08 = 339,005.84 : x
  2. Step 2: Convert to fraction form
    1,013,479.21/1,519,160.08 = 339,005.84/x
  3. Step 3: Cross multiply
    1,013,479.21x = 1,519,160.08 × 339,005.84
  4. Step 4: Simplify right side
    1,013,479.21x = 515,004,146,876.55
  5. Step 5: Solve for x
    x = 515,004,146,876.55/1,013,479.21
  6. Step 6: Final answer
    x = 508,154.63

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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.