Home / 1,271,086.40-1,754,109.60-698,133.44

Finding the Fourth Proportional to 1,271,086.40, 1,754,109.60 and 698,133.44

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Solution

The fourth proportional to 1,271,086.40, 1,754,109.60 and 698,133.44 is: 963,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,086.40 : 1,754,109.60 = 698,133.44 : x
  2. Step 2: Convert to fraction form
    1,271,086.40/1,754,109.60 = 698,133.44/x
  3. Step 3: Cross multiply
    1,271,086.40x = 1,754,109.60 × 698,133.44
  4. Step 4: Simplify right side
    1,271,086.40x = 1,224,602,569,185.02
  5. Step 5: Solve for x
    x = 1,224,602,569,185.02/1,271,086.40
  6. Step 6: Final answer
    x = 963,429.84

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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.