Home / 1,308,036.08-1,805,110.78-719,358.78

Finding the Fourth Proportional to 1,308,036.08, 1,805,110.78 and 719,358.78

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Solution

The fourth proportional to 1,308,036.08, 1,805,110.78 and 719,358.78 is: 992,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,036.08 : 1,805,110.78 = 719,358.78 : x
  2. Step 2: Convert to fraction form
    1,308,036.08/1,805,110.78 = 719,358.78/x
  3. Step 3: Cross multiply
    1,308,036.08x = 1,805,110.78 × 719,358.78
  4. Step 4: Simplify right side
    1,308,036.08x = 1,298,522,286,667.25
  5. Step 5: Solve for x
    x = 1,298,522,286,667.25/1,308,036.08
  6. Step 6: Final answer
    x = 992,726.66

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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.