Home / 854,117.26-1,178,695.80-509,983.26

Finding the Fourth Proportional to 854,117.26, 1,178,695.80 and 509,983.26

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Solution

The fourth proportional to 854,117.26, 1,178,695.80 and 509,983.26 is: 703,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,117.26 : 1,178,695.80 = 509,983.26 : x
  2. Step 2: Convert to fraction form
    854,117.26/1,178,695.80 = 509,983.26/x
  3. Step 3: Cross multiply
    854,117.26x = 1,178,695.80 × 509,983.26
  4. Step 4: Simplify right side
    854,117.26x = 601,115,122,212.20
  5. Step 5: Solve for x
    x = 601,115,122,212.20/854,117.26
  6. Step 6: Final answer
    x = 703,785.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.