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Finding the Fourth Proportional to 1,411,331.03, 1,947,626.42 and 766,756.52

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Solution

The fourth proportional to 1,411,331.03, 1,947,626.42 and 766,756.52 is: 1,058,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,331.03 : 1,947,626.42 = 766,756.52 : x
  2. Step 2: Convert to fraction form
    1,411,331.03/1,947,626.42 = 766,756.52/x
  3. Step 3: Cross multiply
    1,411,331.03x = 1,947,626.42 × 766,756.52
  4. Step 4: Simplify right side
    1,411,331.03x = 1,493,355,248,238.02
  5. Step 5: Solve for x
    x = 1,493,355,248,238.02/1,411,331.03
  6. Step 6: Final answer
    x = 1,058,118.34

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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.