Home / 748,682.76-1,033,182.63-409,150.98

Finding the Fourth Proportional to 748,682.76, 1,033,182.63 and 409,150.98

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Solution

The fourth proportional to 748,682.76, 1,033,182.63 and 409,150.98 is: 564,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,682.76 : 1,033,182.63 = 409,150.98 : x
  2. Step 2: Convert to fraction form
    748,682.76/1,033,182.63 = 409,150.98/x
  3. Step 3: Cross multiply
    748,682.76x = 1,033,182.63 × 409,150.98
  4. Step 4: Simplify right side
    748,682.76x = 422,727,685,583.48
  5. Step 5: Solve for x
    x = 422,727,685,583.48/748,682.76
  6. Step 6: Final answer
    x = 564,628.58

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.