Home / 1,271,461.05-1,754,648.73-698,515.65

Finding the Fourth Proportional to 1,271,461.05, 1,754,648.73 and 698,515.65

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Solution

The fourth proportional to 1,271,461.05, 1,754,648.73 and 698,515.65 is: 963,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,461.05 : 1,754,648.73 = 698,515.65 : x
  2. Step 2: Convert to fraction form
    1,271,461.05/1,754,648.73 = 698,515.65/x
  3. Step 3: Cross multiply
    1,271,461.05x = 1,754,648.73 × 698,515.65
  4. Step 4: Simplify right side
    1,271,461.05x = 1,225,649,598,157.62
  5. Step 5: Solve for x
    x = 1,225,649,598,157.62/1,271,461.05
  6. Step 6: Final answer
    x = 963,969.44

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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.