Home / 677,299.20-934,249.92-435,897.60

Finding the Fourth Proportional to 677,299.20, 934,249.92 and 435,897.60

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Solution

The fourth proportional to 677,299.20, 934,249.92 and 435,897.60 is: 601,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,299.20 : 934,249.92 = 435,897.60 : x
  2. Step 2: Convert to fraction form
    677,299.20/934,249.92 = 435,897.60/x
  3. Step 3: Cross multiply
    677,299.20x = 934,249.92 × 435,897.60
  4. Step 4: Simplify right side
    677,299.20x = 407,237,297,928.19
  5. Step 5: Solve for x
    x = 407,237,297,928.19/677,299.20
  6. Step 6: Final answer
    x = 601,266.47

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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.