Home / 1,663,172.52-2,295,177.64-938,018.67

Finding the Fourth Proportional to 1,663,172.52, 2,295,177.64 and 938,018.67

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Solution

The fourth proportional to 1,663,172.52, 2,295,177.64 and 938,018.67 is: 1,294,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,172.52 : 2,295,177.64 = 938,018.67 : x
  2. Step 2: Convert to fraction form
    1,663,172.52/2,295,177.64 = 938,018.67/x
  3. Step 3: Cross multiply
    1,663,172.52x = 2,295,177.64 × 938,018.67
  4. Step 4: Simplify right side
    1,663,172.52x = 2,152,919,477,286.54
  5. Step 5: Solve for x
    x = 2,152,919,477,286.54/1,663,172.52
  6. Step 6: Final answer
    x = 1,294,465.52

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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.