Home / 677,899.08-1,016,806.77-278,529.57

Finding the Fourth Proportional to 677,899.08, 1,016,806.77 and 278,529.57

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Solution

The fourth proportional to 677,899.08, 1,016,806.77 and 278,529.57 is: 417,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,899.08 : 1,016,806.77 = 278,529.57 : x
  2. Step 2: Convert to fraction form
    677,899.08/1,016,806.77 = 278,529.57/x
  3. Step 3: Cross multiply
    677,899.08x = 1,016,806.77 × 278,529.57
  4. Step 4: Simplify right side
    677,899.08x = 283,210,752,421.19
  5. Step 5: Solve for x
    x = 283,210,752,421.19/677,899.08
  6. Step 6: Final answer
    x = 417,777.16

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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.