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Finding the Fourth Proportional to 1,229,798, 1,697,121.24 and 693,254

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Solution

The fourth proportional to 1,229,798, 1,697,121.24 and 693,254 is: 956,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,798 : 1,697,121.24 = 693,254 : x
  2. Step 2: Convert to fraction form
    1,229,798/1,697,121.24 = 693,254/x
  3. Step 3: Cross multiply
    1,229,798x = 1,697,121.24 × 693,254
  4. Step 4: Simplify right side
    1,229,798x = 1,176,536,088,114.96
  5. Step 5: Solve for x
    x = 1,176,536,088,114.96/1,229,798
  6. Step 6: Final answer
    x = 956,690.52

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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.