Home / 1,668,767.20-2,503,247.66-644,103.16

Finding the Fourth Proportional to 1,668,767.20, 2,503,247.66 and 644,103.16

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Solution

The fourth proportional to 1,668,767.20, 2,503,247.66 and 644,103.16 is: 966,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,767.20 : 2,503,247.66 = 644,103.16 : x
  2. Step 2: Convert to fraction form
    1,668,767.20/2,503,247.66 = 644,103.16/x
  3. Step 3: Cross multiply
    1,668,767.20x = 2,503,247.66 × 644,103.16
  4. Step 4: Simplify right side
    1,668,767.20x = 1,612,349,728,068.61
  5. Step 5: Solve for x
    x = 1,612,349,728,068.61/1,668,767.20
  6. Step 6: Final answer
    x = 966,192.13

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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.