Home / 1,374,990.69-1,897,835.95-939,584.28

Finding the Fourth Proportional to 1,374,990.69, 1,897,835.95 and 939,584.28

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Solution

The fourth proportional to 1,374,990.69, 1,897,835.95 and 939,584.28 is: 1,296,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,990.69 : 1,897,835.95 = 939,584.28 : x
  2. Step 2: Convert to fraction form
    1,374,990.69/1,897,835.95 = 939,584.28/x
  3. Step 3: Cross multiply
    1,374,990.69x = 1,897,835.95 × 939,584.28
  4. Step 4: Simplify right side
    1,374,990.69x = 1,783,176,824,638.87
  5. Step 5: Solve for x
    x = 1,783,176,824,638.87/1,374,990.69
  6. Step 6: Final answer
    x = 1,296,864.65

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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.