Home / 1,657,943.21-2,486,914.56-459,865.50

Finding the Fourth Proportional to 1,657,943.21, 2,486,914.56 and 459,865.50

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Solution

The fourth proportional to 1,657,943.21, 2,486,914.56 and 459,865.50 is: 689,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,943.21 : 2,486,914.56 = 459,865.50 : x
  2. Step 2: Convert to fraction form
    1,657,943.21/2,486,914.56 = 459,865.50/x
  3. Step 3: Cross multiply
    1,657,943.21x = 2,486,914.56 × 459,865.50
  4. Step 4: Simplify right side
    1,657,943.21x = 1,143,646,207,591.68
  5. Step 5: Solve for x
    x = 1,143,646,207,591.68/1,657,943.21
  6. Step 6: Final answer
    x = 689,798.18

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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.