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Finding the Fourth Proportional to 1,229,797, 1,697,119.86 and 693,253

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Solution

The fourth proportional to 1,229,797, 1,697,119.86 and 693,253 is: 956,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,797 : 1,697,119.86 = 693,253 : x
  2. Step 2: Convert to fraction form
    1,229,797/1,697,119.86 = 693,253/x
  3. Step 3: Cross multiply
    1,229,797x = 1,697,119.86 × 693,253
  4. Step 4: Simplify right side
    1,229,797x = 1,176,533,434,304.58
  5. Step 5: Solve for x
    x = 1,176,533,434,304.58/1,229,797
  6. Step 6: Final answer
    x = 956,689.14

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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.