Home / 2,114,543.40-3,171,815.10-517,085.70

Finding the Fourth Proportional to 2,114,543.40, 3,171,815.10 and 517,085.70

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Solution

The fourth proportional to 2,114,543.40, 3,171,815.10 and 517,085.70 is: 775,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,543.40 : 3,171,815.10 = 517,085.70 : x
  2. Step 2: Convert to fraction form
    2,114,543.40/3,171,815.10 = 517,085.70/x
  3. Step 3: Cross multiply
    2,114,543.40x = 3,171,815.10 × 517,085.70
  4. Step 4: Simplify right side
    2,114,543.40x = 1,640,100,231,254.07
  5. Step 5: Solve for x
    x = 1,640,100,231,254.07/2,114,543.40
  6. Step 6: Final answer
    x = 775,628.55

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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.