Home / 916,053.86-1,374,175.08-317,014.05

Finding the Fourth Proportional to 916,053.86, 1,374,175.08 and 317,014.05

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Solution

The fourth proportional to 916,053.86, 1,374,175.08 and 317,014.05 is: 475,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,053.86 : 1,374,175.08 = 317,014.05 : x
  2. Step 2: Convert to fraction form
    916,053.86/1,374,175.08 = 317,014.05/x
  3. Step 3: Cross multiply
    916,053.86x = 1,374,175.08 × 317,014.05
  4. Step 4: Simplify right side
    916,053.86x = 435,632,807,519.87
  5. Step 5: Solve for x
    x = 435,632,807,519.87/916,053.86
  6. Step 6: Final answer
    x = 475,553.71

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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.