Home / 1,623,928.76-2,431,039.95-982,290.68

Finding the Fourth Proportional to 1,623,928.76, 2,431,039.95 and 982,290.68

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Solution

The fourth proportional to 1,623,928.76, 2,431,039.95 and 982,290.68 is: 1,470,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,928.76 : 2,431,039.95 = 982,290.68 : x
  2. Step 2: Convert to fraction form
    1,623,928.76/2,431,039.95 = 982,290.68/x
  3. Step 3: Cross multiply
    1,623,928.76x = 2,431,039.95 × 982,290.68
  4. Step 4: Simplify right side
    1,623,928.76x = 2,387,987,885,592.67
  5. Step 5: Solve for x
    x = 2,387,987,885,592.67/1,623,928.76
  6. Step 6: Final answer
    x = 1,470,500.40

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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.