Home / 1,492,661.20-2,238,991.80-546,127.60

Finding the Fourth Proportional to 1,492,661.20, 2,238,991.80 and 546,127.60

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Solution

The fourth proportional to 1,492,661.20, 2,238,991.80 and 546,127.60 is: 819,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,661.20 : 2,238,991.80 = 546,127.60 : x
  2. Step 2: Convert to fraction form
    1,492,661.20/2,238,991.80 = 546,127.60/x
  3. Step 3: Cross multiply
    1,492,661.20x = 2,238,991.80 × 546,127.60
  4. Step 4: Simplify right side
    1,492,661.20x = 1,222,775,218,153.68
  5. Step 5: Solve for x
    x = 1,222,775,218,153.68/1,492,661.20
  6. Step 6: Final answer
    x = 819,191.40

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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.