Home / 1,275,127.36-1,759,675.56-702,166.12

Finding the Fourth Proportional to 1,275,127.36, 1,759,675.56 and 702,166.12

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Solution

The fourth proportional to 1,275,127.36, 1,759,675.56 and 702,166.12 is: 968,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,127.36 : 1,759,675.56 = 702,166.12 : x
  2. Step 2: Convert to fraction form
    1,275,127.36/1,759,675.56 = 702,166.12/x
  3. Step 3: Cross multiply
    1,275,127.36x = 1,759,675.56 × 702,166.12
  4. Step 4: Simplify right side
    1,275,127.36x = 1,235,584,560,424.03
  5. Step 5: Solve for x
    x = 1,235,584,560,424.03/1,275,127.36
  6. Step 6: Final answer
    x = 968,989.14

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1.5x scale

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.