Home / 677,799.44-1,016,528.16-278,550.48

Finding the Fourth Proportional to 677,799.44, 1,016,528.16 and 278,550.48

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Solution

The fourth proportional to 677,799.44, 1,016,528.16 and 278,550.48 is: 417,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,799.44 : 1,016,528.16 = 278,550.48 : x
  2. Step 2: Convert to fraction form
    677,799.44/1,016,528.16 = 278,550.48/x
  3. Step 3: Cross multiply
    677,799.44x = 1,016,528.16 × 278,550.48
  4. Step 4: Simplify right side
    677,799.44x = 283,154,406,901.52
  5. Step 5: Solve for x
    x = 283,154,406,901.52/677,799.44
  6. Step 6: Final answer
    x = 417,755.45

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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.