Home / 993,064.30-1,490,212.05-520,089.10

Finding the Fourth Proportional to 993,064.30, 1,490,212.05 and 520,089.10

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Solution

The fourth proportional to 993,064.30, 1,490,212.05 and 520,089.10 is: 780,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,064.30 : 1,490,212.05 = 520,089.10 : x
  2. Step 2: Convert to fraction form
    993,064.30/1,490,212.05 = 520,089.10/x
  3. Step 3: Cross multiply
    993,064.30x = 1,490,212.05 × 520,089.10
  4. Step 4: Simplify right side
    993,064.30x = 775,043,043,893.66
  5. Step 5: Solve for x
    x = 775,043,043,893.66/993,064.30
  6. Step 6: Final answer
    x = 780,456.05

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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.