Home / 1,406,291.75-1,940,581.86-825,538.46

Finding the Fourth Proportional to 1,406,291.75, 1,940,581.86 and 825,538.46

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Solution

The fourth proportional to 1,406,291.75, 1,940,581.86 and 825,538.46 is: 1,139,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,291.75 : 1,940,581.86 = 825,538.46 : x
  2. Step 2: Convert to fraction form
    1,406,291.75/1,940,581.86 = 825,538.46/x
  3. Step 3: Cross multiply
    1,406,291.75x = 1,940,581.86 × 825,538.46
  4. Step 4: Simplify right side
    1,406,291.75x = 1,602,024,960,208.34
  5. Step 5: Solve for x
    x = 1,602,024,960,208.34/1,406,291.75
  6. Step 6: Final answer
    x = 1,139,183.93

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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.