Home / 1,270,267.55-1,752,923.86-718,971.42

Finding the Fourth Proportional to 1,270,267.55, 1,752,923.86 and 718,971.42

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Solution

The fourth proportional to 1,270,267.55, 1,752,923.86 and 718,971.42 is: 992,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,267.55 : 1,752,923.86 = 718,971.42 : x
  2. Step 2: Convert to fraction form
    1,270,267.55/1,752,923.86 = 718,971.42/x
  3. Step 3: Cross multiply
    1,270,267.55x = 1,752,923.86 × 718,971.42
  4. Step 4: Simplify right side
    1,270,267.55x = 1,260,302,154,978.65
  5. Step 5: Solve for x
    x = 1,260,302,154,978.65/1,270,267.55
  6. Step 6: Final answer
    x = 992,154.89

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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.