Home / 783,064.50-1,174,596.75-339,832.50

Finding the Fourth Proportional to 783,064.50, 1,174,596.75 and 339,832.50

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Solution

The fourth proportional to 783,064.50, 1,174,596.75 and 339,832.50 is: 509,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,064.50 : 1,174,596.75 = 339,832.50 : x
  2. Step 2: Convert to fraction form
    783,064.50/1,174,596.75 = 339,832.50/x
  3. Step 3: Cross multiply
    783,064.50x = 1,174,596.75 × 339,832.50
  4. Step 4: Simplify right side
    783,064.50x = 399,166,150,044.38
  5. Step 5: Solve for x
    x = 399,166,150,044.38/783,064.50
  6. Step 6: Final answer
    x = 509,748.75

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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.