Home / 554,945.16-765,826.34-300,296.35

Finding the Fourth Proportional to 554,945.16, 765,826.34 and 300,296.35

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Solution

The fourth proportional to 554,945.16, 765,826.34 and 300,296.35 is: 414,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,945.16 : 765,826.34 = 300,296.35 : x
  2. Step 2: Convert to fraction form
    554,945.16/765,826.34 = 300,296.35/x
  3. Step 3: Cross multiply
    554,945.16x = 765,826.34 × 300,296.35
  4. Step 4: Simplify right side
    554,945.16x = 229,974,854,635.86
  5. Step 5: Solve for x
    x = 229,974,854,635.86/554,945.16
  6. Step 6: Final answer
    x = 414,410.06

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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.