Home / 929,178.56-1,393,768.08-264,330.56

Finding the Fourth Proportional to 929,178.56, 1,393,768.08 and 264,330.56

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Solution

The fourth proportional to 929,178.56, 1,393,768.08 and 264,330.56 is: 396,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,178.56 : 1,393,768.08 = 264,330.56 : x
  2. Step 2: Convert to fraction form
    929,178.56/1,393,768.08 = 264,330.56/x
  3. Step 3: Cross multiply
    929,178.56x = 1,393,768.08 × 264,330.56
  4. Step 4: Simplify right side
    929,178.56x = 368,415,497,096.53
  5. Step 5: Solve for x
    x = 368,415,497,096.53/929,178.56
  6. Step 6: Final answer
    x = 396,495.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.