Home / 634,919.26-876,205.20-363,031.42

Finding the Fourth Proportional to 634,919.26, 876,205.20 and 363,031.42

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Solution

The fourth proportional to 634,919.26, 876,205.20 and 363,031.42 is: 500,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,919.26 : 876,205.20 = 363,031.42 : x
  2. Step 2: Convert to fraction form
    634,919.26/876,205.20 = 363,031.42/x
  3. Step 3: Cross multiply
    634,919.26x = 876,205.20 × 363,031.42
  4. Step 4: Simplify right side
    634,919.26x = 318,090,017,967.38
  5. Step 5: Solve for x
    x = 318,090,017,967.38/634,919.26
  6. Step 6: Final answer
    x = 500,992.86

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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.