Home / 931,458.28-1,284,660.50-625,442.44

Finding the Fourth Proportional to 931,458.28, 1,284,660.50 and 625,442.44

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Solution

The fourth proportional to 931,458.28, 1,284,660.50 and 625,442.44 is: 862,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,458.28 : 1,284,660.50 = 625,442.44 : x
  2. Step 2: Convert to fraction form
    931,458.28/1,284,660.50 = 625,442.44/x
  3. Step 3: Cross multiply
    931,458.28x = 1,284,660.50 × 625,442.44
  4. Step 4: Simplify right side
    931,458.28x = 803,481,197,691.62
  5. Step 5: Solve for x
    x = 803,481,197,691.62/931,458.28
  6. Step 6: Final answer
    x = 862,605.67

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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.