Home / 769,940.92-1,062,525.28-425,800.18

Finding the Fourth Proportional to 769,940.92, 1,062,525.28 and 425,800.18

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Solution

The fourth proportional to 769,940.92, 1,062,525.28 and 425,800.18 is: 587,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,940.92 : 1,062,525.28 = 425,800.18 : x
  2. Step 2: Convert to fraction form
    769,940.92/1,062,525.28 = 425,800.18/x
  3. Step 3: Cross multiply
    769,940.92x = 1,062,525.28 × 425,800.18
  4. Step 4: Simplify right side
    769,940.92x = 452,423,455,478.55
  5. Step 5: Solve for x
    x = 452,423,455,478.55/769,940.92
  6. Step 6: Final answer
    x = 587,608.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.