Home / 894,815.18-1,234,898.10-512,866.64

Finding the Fourth Proportional to 894,815.18, 1,234,898.10 and 512,866.64

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Solution

The fourth proportional to 894,815.18, 1,234,898.10 and 512,866.64 is: 707,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,815.18 : 1,234,898.10 = 512,866.64 : x
  2. Step 2: Convert to fraction form
    894,815.18/1,234,898.10 = 512,866.64/x
  3. Step 3: Cross multiply
    894,815.18x = 1,234,898.10 × 512,866.64
  4. Step 4: Simplify right side
    894,815.18x = 633,338,039,289.38
  5. Step 5: Solve for x
    x = 633,338,039,289.38/894,815.18
  6. Step 6: Final answer
    x = 707,786.43

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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.