Home / 571,964.96-789,349.02-330,257.72

Finding the Fourth Proportional to 571,964.96, 789,349.02 and 330,257.72

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Solution

The fourth proportional to 571,964.96, 789,349.02 and 330,257.72 is: 455,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,964.96 : 789,349.02 = 330,257.72 : x
  2. Step 2: Convert to fraction form
    571,964.96/789,349.02 = 330,257.72/x
  3. Step 3: Cross multiply
    571,964.96x = 789,349.02 × 330,257.72
  4. Step 4: Simplify right side
    571,964.96x = 260,688,607,629.43
  5. Step 5: Solve for x
    x = 260,688,607,629.43/571,964.96
  6. Step 6: Final answer
    x = 455,777.23

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Double scale
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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.