Home / 692,806.20-1,037,459.70-454,860.60

Finding the Fourth Proportional to 692,806.20, 1,037,459.70 and 454,860.60

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Solution

The fourth proportional to 692,806.20, 1,037,459.70 and 454,860.60 is: 681,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,806.20 : 1,037,459.70 = 454,860.60 : x
  2. Step 2: Convert to fraction form
    692,806.20/1,037,459.70 = 454,860.60/x
  3. Step 3: Cross multiply
    692,806.20x = 1,037,459.70 × 454,860.60
  4. Step 4: Simplify right side
    692,806.20x = 471,899,541,617.82
  5. Step 5: Solve for x
    x = 471,899,541,617.82/692,806.20
  6. Step 6: Final answer
    x = 681,142.20

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1.5x scale

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.