Home / 803,726.35-1,109,197.80-531,321.83

Finding the Fourth Proportional to 803,726.35, 1,109,197.80 and 531,321.83

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Solution

The fourth proportional to 803,726.35, 1,109,197.80 and 531,321.83 is: 733,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,726.35 : 1,109,197.80 = 531,321.83 : x
  2. Step 2: Convert to fraction form
    803,726.35/1,109,197.80 = 531,321.83/x
  3. Step 3: Cross multiply
    803,726.35x = 1,109,197.80 × 531,321.83
  4. Step 4: Simplify right side
    803,726.35x = 589,341,003,541.48
  5. Step 5: Solve for x
    x = 589,341,003,541.48/803,726.35
  6. Step 6: Final answer
    x = 733,260.77

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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.