Home / 937,578.88-1,406,296.56-338,540.32

Finding the Fourth Proportional to 937,578.88, 1,406,296.56 and 338,540.32

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Solution

The fourth proportional to 937,578.88, 1,406,296.56 and 338,540.32 is: 507,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,578.88 : 1,406,296.56 = 338,540.32 : x
  2. Step 2: Convert to fraction form
    937,578.88/1,406,296.56 = 338,540.32/x
  3. Step 3: Cross multiply
    937,578.88x = 1,406,296.56 × 338,540.32
  4. Step 4: Simplify right side
    937,578.88x = 476,088,087,437.30
  5. Step 5: Solve for x
    x = 476,088,087,437.30/937,578.88
  6. Step 6: Final answer
    x = 507,784.57

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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.