Home / 1,123,404.85-1,684,941.16-413,266.83

Finding the Fourth Proportional to 1,123,404.85, 1,684,941.16 and 413,266.83

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Solution

The fourth proportional to 1,123,404.85, 1,684,941.16 and 413,266.83 is: 619,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,404.85 : 1,684,941.16 = 413,266.83 : x
  2. Step 2: Convert to fraction form
    1,123,404.85/1,684,941.16 = 413,266.83/x
  3. Step 3: Cross multiply
    1,123,404.85x = 1,684,941.16 × 413,266.83
  4. Step 4: Simplify right side
    1,123,404.85x = 696,330,291,929.72
  5. Step 5: Solve for x
    x = 696,330,291,929.72/1,123,404.85
  6. Step 6: Final answer
    x = 619,839.14

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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.