Home / 993,266.90-1,369,755.45-667,316.42

Finding the Fourth Proportional to 993,266.90, 1,369,755.45 and 667,316.42

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Solution

The fourth proportional to 993,266.90, 1,369,755.45 and 667,316.42 is: 920,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,266.90 : 1,369,755.45 = 667,316.42 : x
  2. Step 2: Convert to fraction form
    993,266.90/1,369,755.45 = 667,316.42/x
  3. Step 3: Cross multiply
    993,266.90x = 1,369,755.45 × 667,316.42
  4. Step 4: Simplify right side
    993,266.90x = 914,060,303,169.49
  5. Step 5: Solve for x
    x = 914,060,303,169.49/993,266.90
  6. Step 6: Final answer
    x = 920,256.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.