Home / 783,142.29-1,174,860.45-250,520.31

Finding the Fourth Proportional to 783,142.29, 1,174,860.45 and 250,520.31

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Solution

The fourth proportional to 783,142.29, 1,174,860.45 and 250,520.31 is: 375,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,142.29 : 1,174,860.45 = 250,520.31 : x
  2. Step 2: Convert to fraction form
    783,142.29/1,174,860.45 = 250,520.31/x
  3. Step 3: Cross multiply
    783,142.29x = 1,174,860.45 × 250,520.31
  4. Step 4: Simplify right side
    783,142.29x = 294,326,404,140.74
  5. Step 5: Solve for x
    x = 294,326,404,140.74/783,142.29
  6. Step 6: Final answer
    x = 375,827.49

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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.