Home / 1,339,935.90-2,006,404.65-864,044.70

Finding the Fourth Proportional to 1,339,935.90, 2,006,404.65 and 864,044.70

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Solution

The fourth proportional to 1,339,935.90, 2,006,404.65 and 864,044.70 is: 1,293,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,935.90 : 2,006,404.65 = 864,044.70 : x
  2. Step 2: Convert to fraction form
    1,339,935.90/2,006,404.65 = 864,044.70/x
  3. Step 3: Cross multiply
    1,339,935.90x = 2,006,404.65 × 864,044.70
  4. Step 4: Simplify right side
    1,339,935.90x = 1,733,623,303,887.85
  5. Step 5: Solve for x
    x = 1,733,623,303,887.85/1,339,935.90
  6. Step 6: Final answer
    x = 1,293,810.62

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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.