Home / 1,657,682.87-2,486,524.39-459,605.20

Finding the Fourth Proportional to 1,657,682.87, 2,486,524.39 and 459,605.20

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Solution

The fourth proportional to 1,657,682.87, 2,486,524.39 and 459,605.20 is: 689,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,682.87 : 2,486,524.39 = 459,605.20 : x
  2. Step 2: Convert to fraction form
    1,657,682.87/2,486,524.39 = 459,605.20/x
  3. Step 3: Cross multiply
    1,657,682.87x = 2,486,524.39 × 459,605.20
  4. Step 4: Simplify right side
    1,657,682.87x = 1,142,819,539,570.83
  5. Step 5: Solve for x
    x = 1,142,819,539,570.83/1,657,682.87
  6. Step 6: Final answer
    x = 689,407.83

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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.