Home / 650,277.04-897,689.12-489,193.44

Finding the Fourth Proportional to 650,277.04, 897,689.12 and 489,193.44

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Solution

The fourth proportional to 650,277.04, 897,689.12 and 489,193.44 is: 675,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,277.04 : 897,689.12 = 489,193.44 : x
  2. Step 2: Convert to fraction form
    650,277.04/897,689.12 = 489,193.44/x
  3. Step 3: Cross multiply
    650,277.04x = 897,689.12 × 489,193.44
  4. Step 4: Simplify right side
    650,277.04x = 439,143,628,663.37
  5. Step 5: Solve for x
    x = 439,143,628,663.37/650,277.04
  6. Step 6: Final answer
    x = 675,317.75

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1.5x scale

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.