Home / 854,116.45-1,178,634.44-472,118.63

Finding the Fourth Proportional to 854,116.45, 1,178,634.44 and 472,118.63

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Solution

The fourth proportional to 854,116.45, 1,178,634.44 and 472,118.63 is: 651,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,116.45 : 1,178,634.44 = 472,118.63 : x
  2. Step 2: Convert to fraction form
    854,116.45/1,178,634.44 = 472,118.63/x
  3. Step 3: Cross multiply
    854,116.45x = 1,178,634.44 × 472,118.63
  4. Step 4: Simplify right side
    854,116.45x = 556,455,272,370.74
  5. Step 5: Solve for x
    x = 556,455,272,370.74/854,116.45
  6. Step 6: Final answer
    x = 651,498.13

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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.