Home / 991,539.54-1,368,324.54-538,830.54

Finding the Fourth Proportional to 991,539.54, 1,368,324.54 and 538,830.54

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Solution

The fourth proportional to 991,539.54, 1,368,324.54 and 538,830.54 is: 743,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,539.54 : 1,368,324.54 = 538,830.54 : x
  2. Step 2: Convert to fraction form
    991,539.54/1,368,324.54 = 538,830.54/x
  3. Step 3: Cross multiply
    991,539.54x = 1,368,324.54 × 538,830.54
  4. Step 4: Simplify right side
    991,539.54x = 737,295,050,783.45
  5. Step 5: Solve for x
    x = 737,295,050,783.45/991,539.54
  6. Step 6: Final answer
    x = 743,586.13

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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.