Home / 993,580.56-1,371,149.64-540,870.48

Finding the Fourth Proportional to 993,580.56, 1,371,149.64 and 540,870.48

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Solution

The fourth proportional to 993,580.56, 1,371,149.64 and 540,870.48 is: 746,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,580.56 : 1,371,149.64 = 540,870.48 : x
  2. Step 2: Convert to fraction form
    993,580.56/1,371,149.64 = 540,870.48/x
  3. Step 3: Cross multiply
    993,580.56x = 1,371,149.64 × 540,870.48
  4. Step 4: Simplify right side
    993,580.56x = 741,614,363,938.63
  5. Step 5: Solve for x
    x = 741,614,363,938.63/993,580.56
  6. Step 6: Final answer
    x = 746,405.87

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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.