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Finding the Fourth Proportional to 1,126,676, 1,554,812.88 and 649,748

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Solution

The fourth proportional to 1,126,676, 1,554,812.88 and 649,748 is: 896,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,676 : 1,554,812.88 = 649,748 : x
  2. Step 2: Convert to fraction form
    1,126,676/1,554,812.88 = 649,748/x
  3. Step 3: Cross multiply
    1,126,676x = 1,554,812.88 × 649,748
  4. Step 4: Simplify right side
    1,126,676x = 1,010,236,559,154.24
  5. Step 5: Solve for x
    x = 1,010,236,559,154.24/1,126,676
  6. Step 6: Final answer
    x = 896,652.24

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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.