Home / 1,528,286.20-2,292,429.30-819,698.20

Finding the Fourth Proportional to 1,528,286.20, 2,292,429.30 and 819,698.20

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Solution

The fourth proportional to 1,528,286.20, 2,292,429.30 and 819,698.20 is: 1,229,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,286.20 : 2,292,429.30 = 819,698.20 : x
  2. Step 2: Convert to fraction form
    1,528,286.20/2,292,429.30 = 819,698.20/x
  3. Step 3: Cross multiply
    1,528,286.20x = 2,292,429.30 × 819,698.20
  4. Step 4: Simplify right side
    1,528,286.20x = 1,879,100,170,837.26
  5. Step 5: Solve for x
    x = 1,879,100,170,837.26/1,528,286.20
  6. Step 6: Final answer
    x = 1,229,547.30

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Similar ratio
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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.