Home / 746,525.40-1,119,788.10-409,435.80

Finding the Fourth Proportional to 746,525.40, 1,119,788.10 and 409,435.80

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Solution

The fourth proportional to 746,525.40, 1,119,788.10 and 409,435.80 is: 614,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,525.40 : 1,119,788.10 = 409,435.80 : x
  2. Step 2: Convert to fraction form
    746,525.40/1,119,788.10 = 409,435.80/x
  3. Step 3: Cross multiply
    746,525.40x = 1,119,788.10 × 409,435.80
  4. Step 4: Simplify right side
    746,525.40x = 458,481,336,553.98
  5. Step 5: Solve for x
    x = 458,481,336,553.98/746,525.40
  6. Step 6: Final answer
    x = 614,153.70

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Double scale
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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.