Home / 993,864.30-1,490,796.45-674,999.70

Finding the Fourth Proportional to 993,864.30, 1,490,796.45 and 674,999.70

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Solution

The fourth proportional to 993,864.30, 1,490,796.45 and 674,999.70 is: 1,012,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,864.30 : 1,490,796.45 = 674,999.70 : x
  2. Step 2: Convert to fraction form
    993,864.30/1,490,796.45 = 674,999.70/x
  3. Step 3: Cross multiply
    993,864.30x = 1,490,796.45 × 674,999.70
  4. Step 4: Simplify right side
    993,864.30x = 1,006,287,156,511.07
  5. Step 5: Solve for x
    x = 1,006,287,156,511.07/993,864.30
  6. Step 6: Final answer
    x = 1,012,499.55

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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.