Home / 1,411,542.60-1,947,940.65-766,962.79

Finding the Fourth Proportional to 1,411,542.60, 1,947,940.65 and 766,962.79

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Solution

The fourth proportional to 1,411,542.60, 1,947,940.65 and 766,962.79 is: 1,058,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,542.60 : 1,947,940.65 = 766,962.79 : x
  2. Step 2: Convert to fraction form
    1,411,542.60/1,947,940.65 = 766,962.79/x
  3. Step 3: Cross multiply
    1,411,542.60x = 1,947,940.65 × 766,962.79
  4. Step 4: Simplify right side
    1,411,542.60x = 1,493,997,995,974.60
  5. Step 5: Solve for x
    x = 1,493,997,995,974.60/1,411,542.60
  6. Step 6: Final answer
    x = 1,058,415.10

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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.