Home / 1,410,159.78-1,946,020.50-765,579.96

Finding the Fourth Proportional to 1,410,159.78, 1,946,020.50 and 765,579.96

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Solution

The fourth proportional to 1,410,159.78, 1,946,020.50 and 765,579.96 is: 1,056,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,159.78 : 1,946,020.50 = 765,579.96 : x
  2. Step 2: Convert to fraction form
    1,410,159.78/1,946,020.50 = 765,579.96/x
  3. Step 3: Cross multiply
    1,410,159.78x = 1,946,020.50 × 765,579.96
  4. Step 4: Simplify right side
    1,410,159.78x = 1,489,834,296,549.18
  5. Step 5: Solve for x
    x = 1,489,834,296,549.18/1,410,159.78
  6. Step 6: Final answer
    x = 1,056,500.35

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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.