Home / 1,341,376.36-2,012,264.58-442,913

Finding the Fourth Proportional to 1,341,376.36, 2,012,264.58 and 442,913

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Solution

The fourth proportional to 1,341,376.36, 2,012,264.58 and 442,913 is: 664,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,376.36 : 2,012,264.58 = 442,913 : x
  2. Step 2: Convert to fraction form
    1,341,376.36/2,012,264.58 = 442,913/x
  3. Step 3: Cross multiply
    1,341,376.36x = 2,012,264.58 × 442,913
  4. Step 4: Simplify right side
    1,341,376.36x = 891,258,141,921.54
  5. Step 5: Solve for x
    x = 891,258,141,921.54/1,341,376.36
  6. Step 6: Final answer
    x = 664,435.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.