Home / 854,433.40-1,281,650.10-743,841.40

Finding the Fourth Proportional to 854,433.40, 1,281,650.10 and 743,841.40

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Solution

The fourth proportional to 854,433.40, 1,281,650.10 and 743,841.40 is: 1,115,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,433.40 : 1,281,650.10 = 743,841.40 : x
  2. Step 2: Convert to fraction form
    854,433.40/1,281,650.10 = 743,841.40/x
  3. Step 3: Cross multiply
    854,433.40x = 1,281,650.10 × 743,841.40
  4. Step 4: Simplify right side
    854,433.40x = 953,344,404,694.14
  5. Step 5: Solve for x
    x = 953,344,404,694.14/854,433.40
  6. Step 6: Final answer
    x = 1,115,762.10

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Double scale
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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.