Home / 916,957.80-1,372,326.30-804,983.40

Finding the Fourth Proportional to 916,957.80, 1,372,326.30 and 804,983.40

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Solution

The fourth proportional to 916,957.80, 1,372,326.30 and 804,983.40 is: 1,204,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,957.80 : 1,372,326.30 = 804,983.40 : x
  2. Step 2: Convert to fraction form
    916,957.80/1,372,326.30 = 804,983.40/x
  3. Step 3: Cross multiply
    916,957.80x = 1,372,326.30 × 804,983.40
  4. Step 4: Simplify right side
    916,957.80x = 1,104,699,890,883.42
  5. Step 5: Solve for x
    x = 1,104,699,890,883.42/916,957.80
  6. Step 6: Final answer
    x = 1,204,744.53

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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.