Home / 453,946.10-680,919.15-295,315.70

Finding the Fourth Proportional to 453,946.10, 680,919.15 and 295,315.70

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Solution

The fourth proportional to 453,946.10, 680,919.15 and 295,315.70 is: 442,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,946.10 : 680,919.15 = 295,315.70 : x
  2. Step 2: Convert to fraction form
    453,946.10/680,919.15 = 295,315.70/x
  3. Step 3: Cross multiply
    453,946.10x = 680,919.15 × 295,315.70
  4. Step 4: Simplify right side
    453,946.10x = 201,086,115,425.66
  5. Step 5: Solve for x
    x = 201,086,115,425.66/453,946.10
  6. Step 6: Final answer
    x = 442,973.55

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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.