Home / 1,009,633.24-1,514,005.71-378,103.78

Finding the Fourth Proportional to 1,009,633.24, 1,514,005.71 and 378,103.78

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Solution

The fourth proportional to 1,009,633.24, 1,514,005.71 and 378,103.78 is: 566,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,633.24 : 1,514,005.71 = 378,103.78 : x
  2. Step 2: Convert to fraction form
    1,009,633.24/1,514,005.71 = 378,103.78/x
  3. Step 3: Cross multiply
    1,009,633.24x = 1,514,005.71 × 378,103.78
  4. Step 4: Simplify right side
    1,009,633.24x = 572,451,281,892.58
  5. Step 5: Solve for x
    x = 572,451,281,892.58/1,009,633.24
  6. Step 6: Final answer
    x = 566,989.34

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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.