Home / 524,916.83-724,385.38-307,167.36

Finding the Fourth Proportional to 524,916.83, 724,385.38 and 307,167.36

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Solution

The fourth proportional to 524,916.83, 724,385.38 and 307,167.36 is: 423,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,916.83 : 724,385.38 = 307,167.36 : x
  2. Step 2: Convert to fraction form
    524,916.83/724,385.38 = 307,167.36/x
  3. Step 3: Cross multiply
    524,916.83x = 724,385.38 × 307,167.36
  4. Step 4: Simplify right side
    524,916.83x = 222,507,544,797.20
  5. Step 5: Solve for x
    x = 222,507,544,797.20/524,916.83
  6. Step 6: Final answer
    x = 423,891.05

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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.