Home / 507,945.36-700,710.84-324,269.76

Finding the Fourth Proportional to 507,945.36, 700,710.84 and 324,269.76

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Solution

The fourth proportional to 507,945.36, 700,710.84 and 324,269.76 is: 447,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,945.36 : 700,710.84 = 324,269.76 : x
  2. Step 2: Convert to fraction form
    507,945.36/700,710.84 = 324,269.76/x
  3. Step 3: Cross multiply
    507,945.36x = 700,710.84 × 324,269.76
  4. Step 4: Simplify right side
    507,945.36x = 227,219,335,916.20
  5. Step 5: Solve for x
    x = 227,219,335,916.20/507,945.36
  6. Step 6: Final answer
    x = 447,330.27

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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.