Home / 724,037.87-999,179.16-401,777.96

Finding the Fourth Proportional to 724,037.87, 999,179.16 and 401,777.96

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Solution

The fourth proportional to 724,037.87, 999,179.16 and 401,777.96 is: 554,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,037.87 : 999,179.16 = 401,777.96 : x
  2. Step 2: Convert to fraction form
    724,037.87/999,179.16 = 401,777.96/x
  3. Step 3: Cross multiply
    724,037.87x = 999,179.16 × 401,777.96
  4. Step 4: Simplify right side
    724,037.87x = 401,448,164,579.31
  5. Step 5: Solve for x
    x = 401,448,164,579.31/724,037.87
  6. Step 6: Final answer
    x = 554,457.41

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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.