Home / 583,288.20-804,937.80-315,016.20

Finding the Fourth Proportional to 583,288.20, 804,937.80 and 315,016.20

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Solution

The fourth proportional to 583,288.20, 804,937.80 and 315,016.20 is: 434,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,288.20 : 804,937.80 = 315,016.20 : x
  2. Step 2: Convert to fraction form
    583,288.20/804,937.80 = 315,016.20/x
  3. Step 3: Cross multiply
    583,288.20x = 804,937.80 × 315,016.20
  4. Step 4: Simplify right side
    583,288.20x = 253,568,446,992.36
  5. Step 5: Solve for x
    x = 253,568,446,992.36/583,288.20
  6. Step 6: Final answer
    x = 434,722.40

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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.