Home / 1,270,810.40-1,753,730.52-697,862.56

Finding the Fourth Proportional to 1,270,810.40, 1,753,730.52 and 697,862.56

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Solution

The fourth proportional to 1,270,810.40, 1,753,730.52 and 697,862.56 is: 963,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,810.40 : 1,753,730.52 = 697,862.56 : x
  2. Step 2: Convert to fraction form
    1,270,810.40/1,753,730.52 = 697,862.56/x
  3. Step 3: Cross multiply
    1,270,810.40x = 1,753,730.52 × 697,862.56
  4. Step 4: Simplify right side
    1,270,810.40x = 1,223,862,870,237.33
  5. Step 5: Solve for x
    x = 1,223,862,870,237.33/1,270,810.40
  6. Step 6: Final answer
    x = 963,057.01

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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.