Home / 1,289,187.48-1,933,581.54-658,567.32

Finding the Fourth Proportional to 1,289,187.48, 1,933,581.54 and 658,567.32

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Solution

The fourth proportional to 1,289,187.48, 1,933,581.54 and 658,567.32 is: 987,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,187.48 : 1,933,581.54 = 658,567.32 : x
  2. Step 2: Convert to fraction form
    1,289,187.48/1,933,581.54 = 658,567.32/x
  3. Step 3: Cross multiply
    1,289,187.48x = 1,933,581.54 × 658,567.32
  4. Step 4: Simplify right side
    1,289,187.48x = 1,273,393,612,799.27
  5. Step 5: Solve for x
    x = 1,273,393,612,799.27/1,289,187.48
  6. Step 6: Final answer
    x = 987,748.98

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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.