Home / 1,411,142.82-1,947,390.93-766,568.22

Finding the Fourth Proportional to 1,411,142.82, 1,947,390.93 and 766,568.22

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Solution

The fourth proportional to 1,411,142.82, 1,947,390.93 and 766,568.22 is: 1,057,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,142.82 : 1,947,390.93 = 766,568.22 : x
  2. Step 2: Convert to fraction form
    1,411,142.82/1,947,390.93 = 766,568.22/x
  3. Step 3: Cross multiply
    1,411,142.82x = 1,947,390.93 × 766,568.22
  4. Step 4: Simplify right side
    1,411,142.82x = 1,492,807,998,854.24
  5. Step 5: Solve for x
    x = 1,492,807,998,854.24/1,411,142.82
  6. Step 6: Final answer
    x = 1,057,871.66

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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.