Home / 1,528,910.40-2,293,826.40-819,278.40

Finding the Fourth Proportional to 1,528,910.40, 2,293,826.40 and 819,278.40

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Solution

The fourth proportional to 1,528,910.40, 2,293,826.40 and 819,278.40 is: 1,229,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,910.40 : 2,293,826.40 = 819,278.40 : x
  2. Step 2: Convert to fraction form
    1,528,910.40/2,293,826.40 = 819,278.40/x
  3. Step 3: Cross multiply
    1,528,910.40x = 2,293,826.40 × 819,278.40
  4. Step 4: Simplify right side
    1,528,910.40x = 1,879,282,422,869.76
  5. Step 5: Solve for x
    x = 1,879,282,422,869.76/1,528,910.40
  6. Step 6: Final answer
    x = 1,229,164.52

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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.