Home / 2,742,856.74-4,114,555.50-945,503.60

Finding the Fourth Proportional to 2,742,856.74, 4,114,555.50 and 945,503.60

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Solution

The fourth proportional to 2,742,856.74, 4,114,555.50 and 945,503.60 is: 1,418,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,856.74 : 4,114,555.50 = 945,503.60 : x
  2. Step 2: Convert to fraction form
    2,742,856.74/4,114,555.50 = 945,503.60/x
  3. Step 3: Cross multiply
    2,742,856.74x = 4,114,555.50 × 945,503.60
  4. Step 4: Simplify right side
    2,742,856.74x = 3,890,327,037,649.80
  5. Step 5: Solve for x
    x = 3,890,327,037,649.80/2,742,856.74
  6. Step 6: Final answer
    x = 1,418,348.61

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Double scale
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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.