Home / 1,671,715.46-2,307,211.05-936,719.43

Finding the Fourth Proportional to 1,671,715.46, 2,307,211.05 and 936,719.43

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Solution

The fourth proportional to 1,671,715.46, 2,307,211.05 and 936,719.43 is: 1,292,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,715.46 : 2,307,211.05 = 936,719.43 : x
  2. Step 2: Convert to fraction form
    1,671,715.46/2,307,211.05 = 936,719.43/x
  3. Step 3: Cross multiply
    1,671,715.46x = 2,307,211.05 × 936,719.43
  4. Step 4: Simplify right side
    1,671,715.46x = 2,161,209,419,645.70
  5. Step 5: Solve for x
    x = 2,161,209,419,645.70/1,671,715.46
  6. Step 6: Final answer
    x = 1,292,809.38

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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.