Home / 1,668,795.35-2,503,298.79-644,614.20

Finding the Fourth Proportional to 1,668,795.35, 2,503,298.79 and 644,614.20

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Solution

The fourth proportional to 1,668,795.35, 2,503,298.79 and 644,614.20 is: 966,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,795.35 : 2,503,298.79 = 644,614.20 : x
  2. Step 2: Convert to fraction form
    1,668,795.35/2,503,298.79 = 644,614.20/x
  3. Step 3: Cross multiply
    1,668,795.35x = 2,503,298.79 × 644,614.20
  4. Step 4: Simplify right side
    1,668,795.35x = 1,613,661,946,876.82
  5. Step 5: Solve for x
    x = 1,613,661,946,876.82/1,668,795.35
  6. Step 6: Final answer
    x = 966,962.16

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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.