Home / 916,556.78-1,374,390.73-537,601.30

Finding the Fourth Proportional to 916,556.78, 1,374,390.73 and 537,601.30

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Solution

The fourth proportional to 916,556.78, 1,374,390.73 and 537,601.30 is: 806,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,556.78 : 1,374,390.73 = 537,601.30 : x
  2. Step 2: Convert to fraction form
    916,556.78/1,374,390.73 = 537,601.30/x
  3. Step 3: Cross multiply
    916,556.78x = 1,374,390.73 × 537,601.30
  4. Step 4: Simplify right side
    916,556.78x = 738,874,243,155.95
  5. Step 5: Solve for x
    x = 738,874,243,155.95/916,556.78
  6. Step 6: Final answer
    x = 806,141.27

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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.