Home / 916,260.72-1,366,951.35-866,659.56

Finding the Fourth Proportional to 916,260.72, 1,366,951.35 and 866,659.56

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Solution

The fourth proportional to 916,260.72, 1,366,951.35 and 866,659.56 is: 1,292,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,260.72 : 1,366,951.35 = 866,659.56 : x
  2. Step 2: Convert to fraction form
    916,260.72/1,366,951.35 = 866,659.56/x
  3. Step 3: Cross multiply
    916,260.72x = 1,366,951.35 × 866,659.56
  4. Step 4: Simplify right side
    916,260.72x = 1,184,681,455,532.41
  5. Step 5: Solve for x
    x = 1,184,681,455,532.41/916,260.72
  6. Step 6: Final answer
    x = 1,292,952.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.