Home / 876,386.73-1,314,580.10-211,538.73

Finding the Fourth Proportional to 876,386.73, 1,314,580.10 and 211,538.73

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Solution

The fourth proportional to 876,386.73, 1,314,580.10 and 211,538.73 is: 317,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,386.73 : 1,314,580.10 = 211,538.73 : x
  2. Step 2: Convert to fraction form
    876,386.73/1,314,580.10 = 211,538.73/x
  3. Step 3: Cross multiply
    876,386.73x = 1,314,580.10 × 211,538.73
  4. Step 4: Simplify right side
    876,386.73x = 278,084,604,837.27
  5. Step 5: Solve for x
    x = 278,084,604,837.27/876,386.73
  6. Step 6: Final answer
    x = 317,308.10

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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.