Home / 1,663,867.38-2,296,084.02-938,705.40

Finding the Fourth Proportional to 1,663,867.38, 2,296,084.02 and 938,705.40

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Solution

The fourth proportional to 1,663,867.38, 2,296,084.02 and 938,705.40 is: 1,295,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,867.38 : 2,296,084.02 = 938,705.40 : x
  2. Step 2: Convert to fraction form
    1,663,867.38/2,296,084.02 = 938,705.40/x
  3. Step 3: Cross multiply
    1,663,867.38x = 2,296,084.02 × 938,705.40
  4. Step 4: Simplify right side
    1,663,867.38x = 2,155,346,468,427.71
  5. Step 5: Solve for x
    x = 2,155,346,468,427.71/1,663,867.38
  6. Step 6: Final answer
    x = 1,295,383.57

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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.