Home / 755,686.80-1,133,789.40-335,264.40

Finding the Fourth Proportional to 755,686.80, 1,133,789.40 and 335,264.40

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Solution

The fourth proportional to 755,686.80, 1,133,789.40 and 335,264.40 is: 503,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,686.80 : 1,133,789.40 = 335,264.40 : x
  2. Step 2: Convert to fraction form
    755,686.80/1,133,789.40 = 335,264.40/x
  3. Step 3: Cross multiply
    755,686.80x = 1,133,789.40 × 335,264.40
  4. Step 4: Simplify right side
    755,686.80x = 380,119,222,917.36
  5. Step 5: Solve for x
    x = 380,119,222,917.36/755,686.80
  6. Step 6: Final answer
    x = 503,011.60

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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.