Home / 1,191,423.03-1,644,180.42-647,558.65

Finding the Fourth Proportional to 1,191,423.03, 1,644,180.42 and 647,558.65

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Solution

The fourth proportional to 1,191,423.03, 1,644,180.42 and 647,558.65 is: 893,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,423.03 : 1,644,180.42 = 647,558.65 : x
  2. Step 2: Convert to fraction form
    1,191,423.03/1,644,180.42 = 647,558.65/x
  3. Step 3: Cross multiply
    1,191,423.03x = 1,644,180.42 × 647,558.65
  4. Step 4: Simplify right side
    1,191,423.03x = 1,064,703,257,615.20
  5. Step 5: Solve for x
    x = 1,064,703,257,615.20/1,191,423.03
  6. Step 6: Final answer
    x = 893,639.99

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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.