Home / 993,818.40-1,371,439.44-552,291.48

Finding the Fourth Proportional to 993,818.40, 1,371,439.44 and 552,291.48

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Solution

The fourth proportional to 993,818.40, 1,371,439.44 and 552,291.48 is: 762,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,818.40 : 1,371,439.44 = 552,291.48 : x
  2. Step 2: Convert to fraction form
    993,818.40/1,371,439.44 = 552,291.48/x
  3. Step 3: Cross multiply
    993,818.40x = 1,371,439.44 × 552,291.48
  4. Step 4: Simplify right side
    993,818.40x = 757,434,318,047.97
  5. Step 5: Solve for x
    x = 757,434,318,047.97/993,818.40
  6. Step 6: Final answer
    x = 762,145.60

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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.