Home / 674,033.40-1,011,344.13-358,120.44

Finding the Fourth Proportional to 674,033.40, 1,011,344.13 and 358,120.44

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Solution

The fourth proportional to 674,033.40, 1,011,344.13 and 358,120.44 is: 537,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,033.40 : 1,011,344.13 = 358,120.44 : x
  2. Step 2: Convert to fraction form
    674,033.40/1,011,344.13 = 358,120.44/x
  3. Step 3: Cross multiply
    674,033.40x = 1,011,344.13 × 358,120.44
  4. Step 4: Simplify right side
    674,033.40x = 362,183,004,827.02
  5. Step 5: Solve for x
    x = 362,183,004,827.02/674,033.40
  6. Step 6: Final answer
    x = 537,336.88

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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.