Home / 732,670.30-1,099,005.45-520,093.90

Finding the Fourth Proportional to 732,670.30, 1,099,005.45 and 520,093.90

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Solution

The fourth proportional to 732,670.30, 1,099,005.45 and 520,093.90 is: 780,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,670.30 : 1,099,005.45 = 520,093.90 : x
  2. Step 2: Convert to fraction form
    732,670.30/1,099,005.45 = 520,093.90/x
  3. Step 3: Cross multiply
    732,670.30x = 1,099,005.45 × 520,093.90
  4. Step 4: Simplify right side
    732,670.30x = 571,586,030,611.76
  5. Step 5: Solve for x
    x = 571,586,030,611.76/732,670.30
  6. Step 6: Final answer
    x = 780,140.85

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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.