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Finding the Fourth Proportional to 1,374,894.56, 1,897,582.53 and 801,934.71

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Solution

The fourth proportional to 1,374,894.56, 1,897,582.53 and 801,934.71 is: 1,106,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,894.56 : 1,897,582.53 = 801,934.71 : x
  2. Step 2: Convert to fraction form
    1,374,894.56/1,897,582.53 = 801,934.71/x
  3. Step 3: Cross multiply
    1,374,894.56x = 1,897,582.53 × 801,934.71
  4. Step 4: Simplify right side
    1,374,894.56x = 1,521,737,295,896.62
  5. Step 5: Solve for x
    x = 1,521,737,295,896.62/1,374,894.56
  6. Step 6: Final answer
    x = 1,106,802.91

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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.