Home / 986,005.63-1,479,171.96-346,143.29

Finding the Fourth Proportional to 986,005.63, 1,479,171.96 and 346,143.29

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Solution

The fourth proportional to 986,005.63, 1,479,171.96 and 346,143.29 is: 519,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,005.63 : 1,479,171.96 = 346,143.29 : x
  2. Step 2: Convert to fraction form
    986,005.63/1,479,171.96 = 346,143.29/x
  3. Step 3: Cross multiply
    986,005.63x = 1,479,171.96 × 346,143.29
  4. Step 4: Simplify right side
    986,005.63x = 512,005,452,408.08
  5. Step 5: Solve for x
    x = 512,005,452,408.08/986,005.63
  6. Step 6: Final answer
    x = 519,272.34

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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.