Home / 1,411,532.21-1,947,921.66-766,954.05

Finding the Fourth Proportional to 1,411,532.21, 1,947,921.66 and 766,954.05

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Solution

The fourth proportional to 1,411,532.21, 1,947,921.66 and 766,954.05 is: 1,058,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,532.21 : 1,947,921.66 = 766,954.05 : x
  2. Step 2: Convert to fraction form
    1,411,532.21/1,947,921.66 = 766,954.05/x
  3. Step 3: Cross multiply
    1,411,532.21x = 1,947,921.66 × 766,954.05
  4. Step 4: Simplify right side
    1,411,532.21x = 1,493,966,406,219.72
  5. Step 5: Solve for x
    x = 1,493,966,406,219.72/1,411,532.21
  6. Step 6: Final answer
    x = 1,058,400.51

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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.