Home / 1,004,390.72-1,386,069.19-545,514.27

Finding the Fourth Proportional to 1,004,390.72, 1,386,069.19 and 545,514.27

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Solution

The fourth proportional to 1,004,390.72, 1,386,069.19 and 545,514.27 is: 752,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,390.72 : 1,386,069.19 = 545,514.27 : x
  2. Step 2: Convert to fraction form
    1,004,390.72/1,386,069.19 = 545,514.27/x
  3. Step 3: Cross multiply
    1,004,390.72x = 1,386,069.19 × 545,514.27
  4. Step 4: Simplify right side
    1,004,390.72x = 756,120,522,352.34
  5. Step 5: Solve for x
    x = 756,120,522,352.34/1,004,390.72
  6. Step 6: Final answer
    x = 752,815.12

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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.