Home / 1,657,871.35-2,486,806.88-459,793.64

Finding the Fourth Proportional to 1,657,871.35, 2,486,806.88 and 459,793.64

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Solution

The fourth proportional to 1,657,871.35, 2,486,806.88 and 459,793.64 is: 689,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,871.35 : 2,486,806.88 = 459,793.64 : x
  2. Step 2: Convert to fraction form
    1,657,871.35/2,486,806.88 = 459,793.64/x
  3. Step 3: Cross multiply
    1,657,871.35x = 2,486,806.88 × 459,793.64
  4. Step 4: Simplify right side
    1,657,871.35x = 1,143,417,994,698.74
  5. Step 5: Solve for x
    x = 1,143,417,994,698.74/1,657,871.35
  6. Step 6: Final answer
    x = 689,690.43

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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.