Home / 982,610.64-1,355,986.98-552,890.52

Finding the Fourth Proportional to 982,610.64, 1,355,986.98 and 552,890.52

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Solution

The fourth proportional to 982,610.64, 1,355,986.98 and 552,890.52 is: 762,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,610.64 : 1,355,986.98 = 552,890.52 : x
  2. Step 2: Convert to fraction form
    982,610.64/1,355,986.98 = 552,890.52/x
  3. Step 3: Cross multiply
    982,610.64x = 1,355,986.98 × 552,890.52
  4. Step 4: Simplify right side
    982,610.64x = 749,712,346,485.43
  5. Step 5: Solve for x
    x = 749,712,346,485.43/982,610.64
  6. Step 6: Final answer
    x = 762,980.08

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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.