Home / 583,288.60-804,938.10-315,016.60

Finding the Fourth Proportional to 583,288.60, 804,938.10 and 315,016.60

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Solution

The fourth proportional to 583,288.60, 804,938.10 and 315,016.60 is: 434,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,288.60 : 804,938.10 = 315,016.60 : x
  2. Step 2: Convert to fraction form
    583,288.60/804,938.10 = 315,016.60/x
  3. Step 3: Cross multiply
    583,288.60x = 804,938.10 × 315,016.60
  4. Step 4: Simplify right side
    583,288.60x = 253,568,863,472.46
  5. Step 5: Solve for x
    x = 253,568,863,472.46/583,288.60
  6. Step 6: Final answer
    x = 434,722.82

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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.