Home / 1,270,109.69-1,754,206.07-836,465.53

Finding the Fourth Proportional to 1,270,109.69, 1,754,206.07 and 836,465.53

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Solution

The fourth proportional to 1,270,109.69, 1,754,206.07 and 836,465.53 is: 1,155,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,109.69 : 1,754,206.07 = 836,465.53 : x
  2. Step 2: Convert to fraction form
    1,270,109.69/1,754,206.07 = 836,465.53/x
  3. Step 3: Cross multiply
    1,270,109.69x = 1,754,206.07 × 836,465.53
  4. Step 4: Simplify right side
    1,270,109.69x = 1,467,332,907,777.42
  5. Step 5: Solve for x
    x = 1,467,332,907,777.42/1,270,109.69
  6. Step 6: Final answer
    x = 1,155,280.46

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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.