Home / 1,657,878.38-2,486,817.42-459,800.67

Finding the Fourth Proportional to 1,657,878.38, 2,486,817.42 and 459,800.67

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Solution

The fourth proportional to 1,657,878.38, 2,486,817.42 and 459,800.67 is: 689,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,878.38 : 2,486,817.42 = 459,800.67 : x
  2. Step 2: Convert to fraction form
    1,657,878.38/2,486,817.42 = 459,800.67/x
  3. Step 3: Cross multiply
    1,657,878.38x = 2,486,817.42 × 459,800.67
  4. Step 4: Simplify right side
    1,657,878.38x = 1,143,440,315,883.67
  5. Step 5: Solve for x
    x = 1,143,440,315,883.67/1,657,878.38
  6. Step 6: Final answer
    x = 689,700.97

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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.