Home / 916,953.80-1,372,320.30-804,979.40

Finding the Fourth Proportional to 916,953.80, 1,372,320.30 and 804,979.40

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Solution

The fourth proportional to 916,953.80, 1,372,320.30 and 804,979.40 is: 1,204,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,953.80 : 1,372,320.30 = 804,979.40 : x
  2. Step 2: Convert to fraction form
    916,953.80/1,372,320.30 = 804,979.40/x
  3. Step 3: Cross multiply
    916,953.80x = 1,372,320.30 × 804,979.40
  4. Step 4: Simplify right side
    916,953.80x = 1,104,689,571,701.82
  5. Step 5: Solve for x
    x = 1,104,689,571,701.82/916,953.80
  6. Step 6: Final answer
    x = 1,204,738.53

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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.