Home / 1,528,863.40-2,293,755.90-819,231.40

Finding the Fourth Proportional to 1,528,863.40, 2,293,755.90 and 819,231.40

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Solution

The fourth proportional to 1,528,863.40, 2,293,755.90 and 819,231.40 is: 1,229,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,863.40 : 2,293,755.90 = 819,231.40 : x
  2. Step 2: Convert to fraction form
    1,528,863.40/2,293,755.90 = 819,231.40/x
  3. Step 3: Cross multiply
    1,528,863.40x = 2,293,755.90 × 819,231.40
  4. Step 4: Simplify right side
    1,528,863.40x = 1,879,116,857,215.26
  5. Step 5: Solve for x
    x = 1,879,116,857,215.26/1,528,863.40
  6. Step 6: Final answer
    x = 1,229,094.02

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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.