Home / 895,400.90-1,344,138.15-540,815.30

Finding the Fourth Proportional to 895,400.90, 1,344,138.15 and 540,815.30

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Solution

The fourth proportional to 895,400.90, 1,344,138.15 and 540,815.30 is: 811,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,400.90 : 1,344,138.15 = 540,815.30 : x
  2. Step 2: Convert to fraction form
    895,400.90/1,344,138.15 = 540,815.30/x
  3. Step 3: Cross multiply
    895,400.90x = 1,344,138.15 × 540,815.30
  4. Step 4: Simplify right side
    895,400.90x = 726,930,476,833.70
  5. Step 5: Solve for x
    x = 726,930,476,833.70/895,400.90
  6. Step 6: Final answer
    x = 811,849.17

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1.5x scale

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.