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Finding the Fourth Proportional to 886,411.84, 1,223,105.88 and 504,445

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Solution

The fourth proportional to 886,411.84, 1,223,105.88 and 504,445 is: 696,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,411.84 : 1,223,105.88 = 504,445 : x
  2. Step 2: Convert to fraction form
    886,411.84/1,223,105.88 = 504,445/x
  3. Step 3: Cross multiply
    886,411.84x = 1,223,105.88 × 504,445
  4. Step 4: Simplify right side
    886,411.84x = 616,989,645,636.60
  5. Step 5: Solve for x
    x = 616,989,645,636.60/886,411.84
  6. Step 6: Final answer
    x = 696,053.03

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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.