Home / 746,031.35-1,118,250.29-425,493.09

Finding the Fourth Proportional to 746,031.35, 1,118,250.29 and 425,493.09

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Solution

The fourth proportional to 746,031.35, 1,118,250.29 and 425,493.09 is: 637,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,031.35 : 1,118,250.29 = 425,493.09 : x
  2. Step 2: Convert to fraction form
    746,031.35/1,118,250.29 = 425,493.09/x
  3. Step 3: Cross multiply
    746,031.35x = 1,118,250.29 × 425,493.09
  4. Step 4: Simplify right side
    746,031.35x = 475,807,769,158.03
  5. Step 5: Solve for x
    x = 475,807,769,158.03/746,031.35
  6. Step 6: Final answer
    x = 637,785.22

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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.