Home / 859,272-1,185,795.99-472,112.39

Finding the Fourth Proportional to 859,272, 1,185,795.99 and 472,112.39

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Solution

The fourth proportional to 859,272, 1,185,795.99 and 472,112.39 is: 651,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,272 : 1,185,795.99 = 472,112.39 : x
  2. Step 2: Convert to fraction form
    859,272/1,185,795.99 = 472,112.39/x
  3. Step 3: Cross multiply
    859,272x = 1,185,795.99 × 472,112.39
  4. Step 4: Simplify right side
    859,272x = 559,828,972,962.34
  5. Step 5: Solve for x
    x = 559,828,972,962.34/859,272
  6. Step 6: Final answer
    x = 651,515.44

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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.