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Finding the Fourth Proportional to 1,234,173, 1,703,316.46 and 690,339

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Solution

The fourth proportional to 1,234,173, 1,703,316.46 and 690,339 is: 952,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,173 : 1,703,316.46 = 690,339 : x
  2. Step 2: Convert to fraction form
    1,234,173/1,703,316.46 = 690,339/x
  3. Step 3: Cross multiply
    1,234,173x = 1,703,316.46 × 690,339
  4. Step 4: Simplify right side
    1,234,173x = 1,175,865,781,679.94
  5. Step 5: Solve for x
    x = 1,175,865,781,679.94/1,234,173
  6. Step 6: Final answer
    x = 952,756.04

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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.