Home / 1,281,965.40-1,769,058.90-701,179.20

Finding the Fourth Proportional to 1,281,965.40, 1,769,058.90 and 701,179.20

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Solution

The fourth proportional to 1,281,965.40, 1,769,058.90 and 701,179.20 is: 967,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,965.40 : 1,769,058.90 = 701,179.20 : x
  2. Step 2: Convert to fraction form
    1,281,965.40/1,769,058.90 = 701,179.20/x
  3. Step 3: Cross multiply
    1,281,965.40x = 1,769,058.90 × 701,179.20
  4. Step 4: Simplify right side
    1,281,965.40x = 1,240,427,304,254.88
  5. Step 5: Solve for x
    x = 1,240,427,304,254.88/1,281,965.40
  6. Step 6: Final answer
    x = 967,598.11

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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.