Home / 895,405.90-1,344,145.65-540,820.30

Finding the Fourth Proportional to 895,405.90, 1,344,145.65 and 540,820.30

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Solution

The fourth proportional to 895,405.90, 1,344,145.65 and 540,820.30 is: 811,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,405.90 : 1,344,145.65 = 540,820.30 : x
  2. Step 2: Convert to fraction form
    895,405.90/1,344,145.65 = 540,820.30/x
  3. Step 3: Cross multiply
    895,405.90x = 1,344,145.65 × 540,820.30
  4. Step 4: Simplify right side
    895,405.90x = 726,941,253,676.70
  5. Step 5: Solve for x
    x = 726,941,253,676.70/895,405.90
  6. Step 6: Final answer
    x = 811,856.67

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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.