Home / 763,668.19-1,053,800.40-441,399.16

Finding the Fourth Proportional to 763,668.19, 1,053,800.40 and 441,399.16

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Solution

The fourth proportional to 763,668.19, 1,053,800.40 and 441,399.16 is: 609,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,668.19 : 1,053,800.40 = 441,399.16 : x
  2. Step 2: Convert to fraction form
    763,668.19/1,053,800.40 = 441,399.16/x
  3. Step 3: Cross multiply
    763,668.19x = 1,053,800.40 × 441,399.16
  4. Step 4: Simplify right side
    763,668.19x = 465,146,611,367.66
  5. Step 5: Solve for x
    x = 465,146,611,367.66/763,668.19
  6. Step 6: Final answer
    x = 609,095.18

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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.