Home / 1,657,871.85-2,486,807.63-459,794.15

Finding the Fourth Proportional to 1,657,871.85, 2,486,807.63 and 459,794.15

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Solution

The fourth proportional to 1,657,871.85, 2,486,807.63 and 459,794.15 is: 689,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,871.85 : 2,486,807.63 = 459,794.15 : x
  2. Step 2: Convert to fraction form
    1,657,871.85/2,486,807.63 = 459,794.15/x
  3. Step 3: Cross multiply
    1,657,871.85x = 2,486,807.63 × 459,794.15
  4. Step 4: Simplify right side
    1,657,871.85x = 1,143,419,588,015.33
  5. Step 5: Solve for x
    x = 1,143,419,588,015.33/1,657,871.85
  6. Step 6: Final answer
    x = 689,691.18

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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.