Home / 1,411,567.20-1,947,974.63-766,987.43

Finding the Fourth Proportional to 1,411,567.20, 1,947,974.63 and 766,987.43

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Solution

The fourth proportional to 1,411,567.20, 1,947,974.63 and 766,987.43 is: 1,058,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,567.20 : 1,947,974.63 = 766,987.43 : x
  2. Step 2: Convert to fraction form
    1,411,567.20/1,947,974.63 = 766,987.43/x
  3. Step 3: Cross multiply
    1,411,567.20x = 1,947,974.63 × 766,987.43
  4. Step 4: Simplify right side
    1,411,567.20x = 1,494,072,041,594.09
  5. Step 5: Solve for x
    x = 1,494,072,041,594.09/1,411,567.20
  6. Step 6: Final answer
    x = 1,058,449.11

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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.