Home / 993,343.56-1,371,077.74-611,690.20

Finding the Fourth Proportional to 993,343.56, 1,371,077.74 and 611,690.20

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Solution

The fourth proportional to 993,343.56, 1,371,077.74 and 611,690.20 is: 844,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,343.56 : 1,371,077.74 = 611,690.20 : x
  2. Step 2: Convert to fraction form
    993,343.56/1,371,077.74 = 611,690.20/x
  3. Step 3: Cross multiply
    993,343.56x = 1,371,077.74 × 611,690.20
  4. Step 4: Simplify right side
    993,343.56x = 838,674,816,996.15
  5. Step 5: Solve for x
    x = 838,674,816,996.15/993,343.56
  6. Step 6: Final answer
    x = 844,294.81

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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.