Home / 910,453.40-1,366,226.85-377,918.90

Finding the Fourth Proportional to 910,453.40, 1,366,226.85 and 377,918.90

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Solution

The fourth proportional to 910,453.40, 1,366,226.85 and 377,918.90 is: 567,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,453.40 : 1,366,226.85 = 377,918.90 : x
  2. Step 2: Convert to fraction form
    910,453.40/1,366,226.85 = 377,918.90/x
  3. Step 3: Cross multiply
    910,453.40x = 1,366,226.85 × 377,918.90
  4. Step 4: Simplify right side
    910,453.40x = 516,322,948,302.47
  5. Step 5: Solve for x
    x = 516,322,948,302.47/910,453.40
  6. Step 6: Final answer
    x = 567,105.30

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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.