Home / 1,217,899.40-1,825,293.90-936,019.40

Finding the Fourth Proportional to 1,217,899.40, 1,825,293.90 and 936,019.40

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Solution

The fourth proportional to 1,217,899.40, 1,825,293.90 and 936,019.40 is: 1,402,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,899.40 : 1,825,293.90 = 936,019.40 : x
  2. Step 2: Convert to fraction form
    1,217,899.40/1,825,293.90 = 936,019.40/x
  3. Step 3: Cross multiply
    1,217,899.40x = 1,825,293.90 × 936,019.40
  4. Step 4: Simplify right side
    1,217,899.40x = 1,708,510,501,101.66
  5. Step 5: Solve for x
    x = 1,708,510,501,101.66/1,217,899.40
  6. Step 6: Final answer
    x = 1,402,833.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.