Home / 1,657,870.88-2,486,806.18-459,793.18

Finding the Fourth Proportional to 1,657,870.88, 2,486,806.18 and 459,793.18

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Solution

The fourth proportional to 1,657,870.88, 2,486,806.18 and 459,793.18 is: 689,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,870.88 : 2,486,806.18 = 459,793.18 : x
  2. Step 2: Convert to fraction form
    1,657,870.88/2,486,806.18 = 459,793.18/x
  3. Step 3: Cross multiply
    1,657,870.88x = 2,486,806.18 × 459,793.18
  4. Step 4: Simplify right side
    1,657,870.88x = 1,143,416,509,516.59
  5. Step 5: Solve for x
    x = 1,143,416,509,516.59/1,657,870.88
  6. Step 6: Final answer
    x = 689,689.73

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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.