Home / 982,883.22-1,356,422.46-553,191.18

Finding the Fourth Proportional to 982,883.22, 1,356,422.46 and 553,191.18

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Solution

The fourth proportional to 982,883.22, 1,356,422.46 and 553,191.18 is: 763,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,883.22 : 1,356,422.46 = 553,191.18 : x
  2. Step 2: Convert to fraction form
    982,883.22/1,356,422.46 = 553,191.18/x
  3. Step 3: Cross multiply
    982,883.22x = 1,356,422.46 × 553,191.18
  4. Step 4: Simplify right side
    982,883.22x = 750,360,941,225.90
  5. Step 5: Solve for x
    x = 750,360,941,225.90/982,883.22
  6. Step 6: Final answer
    x = 763,428.38

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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.