Home / 973,121.96-1,342,895.62-543,409.64

Finding the Fourth Proportional to 973,121.96, 1,342,895.62 and 543,409.64

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Solution

The fourth proportional to 973,121.96, 1,342,895.62 and 543,409.64 is: 749,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,121.96 : 1,342,895.62 = 543,409.64 : x
  2. Step 2: Convert to fraction form
    973,121.96/1,342,895.62 = 543,409.64/x
  3. Step 3: Cross multiply
    973,121.96x = 1,342,895.62 × 543,409.64
  4. Step 4: Simplify right side
    973,121.96x = 729,742,425,421.78
  5. Step 5: Solve for x
    x = 729,742,425,421.78/973,121.96
  6. Step 6: Final answer
    x = 749,898.22

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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.