Home / 1,058,511.54-1,587,527.90-489,580.46

Finding the Fourth Proportional to 1,058,511.54, 1,587,527.90 and 489,580.46

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Solution

The fourth proportional to 1,058,511.54, 1,587,527.90 and 489,580.46 is: 734,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,511.54 : 1,587,527.90 = 489,580.46 : x
  2. Step 2: Convert to fraction form
    1,058,511.54/1,587,527.90 = 489,580.46/x
  3. Step 3: Cross multiply
    1,058,511.54x = 1,587,527.90 × 489,580.46
  4. Step 4: Simplify right side
    1,058,511.54x = 777,222,639,544.83
  5. Step 5: Solve for x
    x = 777,222,639,544.83/1,058,511.54
  6. Step 6: Final answer
    x = 734,259.96

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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.