Home / 1,897,083.75-2,845,416.03-477,140.39

Finding the Fourth Proportional to 1,897,083.75, 2,845,416.03 and 477,140.39

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Solution

The fourth proportional to 1,897,083.75, 2,845,416.03 and 477,140.39 is: 715,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,083.75 : 2,845,416.03 = 477,140.39 : x
  2. Step 2: Convert to fraction form
    1,897,083.75/2,845,416.03 = 477,140.39/x
  3. Step 3: Cross multiply
    1,897,083.75x = 2,845,416.03 × 477,140.39
  4. Step 4: Simplify right side
    1,897,083.75x = 1,357,662,900,039.37
  5. Step 5: Solve for x
    x = 1,357,662,900,039.37/1,897,083.75
  6. Step 6: Final answer
    x = 715,657.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.