Home / 982,303.66-1,355,576.89-552,583.78

Finding the Fourth Proportional to 982,303.66, 1,355,576.89 and 552,583.78

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Solution

The fourth proportional to 982,303.66, 1,355,576.89 and 552,583.78 is: 762,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,303.66 : 1,355,576.89 = 552,583.78 : x
  2. Step 2: Convert to fraction form
    982,303.66/1,355,576.89 = 552,583.78/x
  3. Step 3: Cross multiply
    982,303.66x = 1,355,576.89 × 552,583.78
  4. Step 4: Simplify right side
    982,303.66x = 749,069,801,956.84
  5. Step 5: Solve for x
    x = 749,069,801,956.84/982,303.66
  6. Step 6: Final answer
    x = 762,564.40

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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.