Home / 987,586.76-1,362,865.51-552,003.52

Finding the Fourth Proportional to 987,586.76, 1,362,865.51 and 552,003.52

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Solution

The fourth proportional to 987,586.76, 1,362,865.51 and 552,003.52 is: 761,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,586.76 : 1,362,865.51 = 552,003.52 : x
  2. Step 2: Convert to fraction form
    987,586.76/1,362,865.51 = 552,003.52/x
  3. Step 3: Cross multiply
    987,586.76x = 1,362,865.51 × 552,003.52
  4. Step 4: Simplify right side
    987,586.76x = 752,306,558,806.60
  5. Step 5: Solve for x
    x = 752,306,558,806.60/987,586.76
  6. Step 6: Final answer
    x = 761,762.50

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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.