Home / 751,920.72-1,037,554.96-429,651.68

Finding the Fourth Proportional to 751,920.72, 1,037,554.96 and 429,651.68

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Solution

The fourth proportional to 751,920.72, 1,037,554.96 and 429,651.68 is: 592,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,920.72 : 1,037,554.96 = 429,651.68 : x
  2. Step 2: Convert to fraction form
    751,920.72/1,037,554.96 = 429,651.68/x
  3. Step 3: Cross multiply
    751,920.72x = 1,037,554.96 × 429,651.68
  4. Step 4: Simplify right side
    751,920.72x = 445,787,231,656.33
  5. Step 5: Solve for x
    x = 445,787,231,656.33/751,920.72
  6. Step 6: Final answer
    x = 592,864.67

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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.