Home / 786,166.38-1,179,248.85-246,426.54

Finding the Fourth Proportional to 786,166.38, 1,179,248.85 and 246,426.54

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Solution

The fourth proportional to 786,166.38, 1,179,248.85 and 246,426.54 is: 369,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,166.38 : 1,179,248.85 = 246,426.54 : x
  2. Step 2: Convert to fraction form
    786,166.38/1,179,248.85 = 246,426.54/x
  3. Step 3: Cross multiply
    786,166.38x = 1,179,248.85 × 246,426.54
  4. Step 4: Simplify right side
    786,166.38x = 290,598,213,904.48
  5. Step 5: Solve for x
    x = 290,598,213,904.48/786,166.38
  6. Step 6: Final answer
    x = 369,639.58

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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.