Home / 1,411,518.53-1,947,867.52-766,943.34

Finding the Fourth Proportional to 1,411,518.53, 1,947,867.52 and 766,943.34

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Solution

The fourth proportional to 1,411,518.53, 1,947,867.52 and 766,943.34 is: 1,058,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,518.53 : 1,947,867.52 = 766,943.34 : x
  2. Step 2: Convert to fraction form
    1,411,518.53/1,947,867.52 = 766,943.34/x
  3. Step 3: Cross multiply
    1,411,518.53x = 1,947,867.52 × 766,943.34
  4. Step 4: Simplify right side
    1,411,518.53x = 1,493,904,021,666.32
  5. Step 5: Solve for x
    x = 1,493,904,021,666.32/1,411,518.53
  6. Step 6: Final answer
    x = 1,058,366.57

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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.