Home / 514,205.31-709,518.94-323,083.38

Finding the Fourth Proportional to 514,205.31, 709,518.94 and 323,083.38

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Solution

The fourth proportional to 514,205.31, 709,518.94 and 323,083.38 is: 445,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,205.31 : 709,518.94 = 323,083.38 : x
  2. Step 2: Convert to fraction form
    514,205.31/709,518.94 = 323,083.38/x
  3. Step 3: Cross multiply
    514,205.31x = 709,518.94 × 323,083.38
  4. Step 4: Simplify right side
    514,205.31x = 229,233,777,309.22
  5. Step 5: Solve for x
    x = 229,233,777,309.22/514,205.31
  6. Step 6: Final answer
    x = 445,802.04

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1.5x scale

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.