Home / 554,945.10-765,826.26-300,296.29

Finding the Fourth Proportional to 554,945.10, 765,826.26 and 300,296.29

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Solution

The fourth proportional to 554,945.10, 765,826.26 and 300,296.29 is: 414,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,945.10 : 765,826.26 = 300,296.29 : x
  2. Step 2: Convert to fraction form
    554,945.10/765,826.26 = 300,296.29/x
  3. Step 3: Cross multiply
    554,945.10x = 765,826.26 × 300,296.29
  4. Step 4: Simplify right side
    554,945.10x = 229,974,782,748.01
  5. Step 5: Solve for x
    x = 229,974,782,748.01/554,945.10
  6. Step 6: Final answer
    x = 414,409.97

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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.