Home / 1,778,938.72-2,454,905.67-963,135.78

Finding the Fourth Proportional to 1,778,938.72, 2,454,905.67 and 963,135.78

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Solution

The fourth proportional to 1,778,938.72, 2,454,905.67 and 963,135.78 is: 1,329,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,938.72 : 2,454,905.67 = 963,135.78 : x
  2. Step 2: Convert to fraction form
    1,778,938.72/2,454,905.67 = 963,135.78/x
  3. Step 3: Cross multiply
    1,778,938.72x = 2,454,905.67 × 963,135.78
  4. Step 4: Simplify right side
    1,778,938.72x = 2,364,407,488,293.06
  5. Step 5: Solve for x
    x = 2,364,407,488,293.06/1,778,938.72
  6. Step 6: Final answer
    x = 1,329,111.26

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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.