Home / 873,727.64-1,309,483.22-393,443

Finding the Fourth Proportional to 873,727.64, 1,309,483.22 and 393,443

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Solution

The fourth proportional to 873,727.64, 1,309,483.22 and 393,443 is: 589,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,727.64 : 1,309,483.22 = 393,443 : x
  2. Step 2: Convert to fraction form
    873,727.64/1,309,483.22 = 393,443/x
  3. Step 3: Cross multiply
    873,727.64x = 1,309,483.22 × 393,443
  4. Step 4: Simplify right side
    873,727.64x = 515,207,006,526.46
  5. Step 5: Solve for x
    x = 515,207,006,526.46/873,727.64
  6. Step 6: Final answer
    x = 589,665.46

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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.