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Finding the Fourth Proportional to 1,126,313, 1,554,311.94 and 673,604

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Solution

The fourth proportional to 1,126,313, 1,554,311.94 and 673,604 is: 929,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,313 : 1,554,311.94 = 673,604 : x
  2. Step 2: Convert to fraction form
    1,126,313/1,554,311.94 = 673,604/x
  3. Step 3: Cross multiply
    1,126,313x = 1,554,311.94 × 673,604
  4. Step 4: Simplify right side
    1,126,313x = 1,046,990,740,031.76
  5. Step 5: Solve for x
    x = 1,046,990,740,031.76/1,126,313
  6. Step 6: Final answer
    x = 929,573.52

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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.