Home / 1,590,513.76-2,194,969.68-911,581.60

Finding the Fourth Proportional to 1,590,513.76, 2,194,969.68 and 911,581.60

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Solution

The fourth proportional to 1,590,513.76, 2,194,969.68 and 911,581.60 is: 1,258,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,513.76 : 2,194,969.68 = 911,581.60 : x
  2. Step 2: Convert to fraction form
    1,590,513.76/2,194,969.68 = 911,581.60/x
  3. Step 3: Cross multiply
    1,590,513.76x = 2,194,969.68 × 911,581.60
  4. Step 4: Simplify right side
    1,590,513.76x = 2,000,893,972,845.89
  5. Step 5: Solve for x
    x = 2,000,893,972,845.89/1,590,513.76
  6. Step 6: Final answer
    x = 1,258,017.39

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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.