Home / 1,305,983.60-1,956,901.80-970,060.40

Finding the Fourth Proportional to 1,305,983.60, 1,956,901.80 and 970,060.40

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Solution

The fourth proportional to 1,305,983.60, 1,956,901.80 and 970,060.40 is: 1,453,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,983.60 : 1,956,901.80 = 970,060.40 : x
  2. Step 2: Convert to fraction form
    1,305,983.60/1,956,901.80 = 970,060.40/x
  3. Step 3: Cross multiply
    1,305,983.60x = 1,956,901.80 × 970,060.40
  4. Step 4: Simplify right side
    1,305,983.60x = 1,898,312,942,868.72
  5. Step 5: Solve for x
    x = 1,898,312,942,868.72/1,305,983.60
  6. Step 6: Final answer
    x = 1,453,550.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.