Home / 882,372.56-1,217,629.68-500,434.88

Finding the Fourth Proportional to 882,372.56, 1,217,629.68 and 500,434.88

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Solution

The fourth proportional to 882,372.56, 1,217,629.68 and 500,434.88 is: 690,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,372.56 : 1,217,629.68 = 500,434.88 : x
  2. Step 2: Convert to fraction form
    882,372.56/1,217,629.68 = 500,434.88/x
  3. Step 3: Cross multiply
    882,372.56x = 1,217,629.68 × 500,434.88
  4. Step 4: Simplify right side
    882,372.56x = 609,344,362,795.24
  5. Step 5: Solve for x
    x = 609,344,362,795.24/882,372.56
  6. Step 6: Final answer
    x = 690,574.92

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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.