Home / 998,713.56-1,378,319.58-546,072.60

Finding the Fourth Proportional to 998,713.56, 1,378,319.58 and 546,072.60

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Solution

The fourth proportional to 998,713.56, 1,378,319.58 and 546,072.60 is: 753,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,713.56 : 1,378,319.58 = 546,072.60 : x
  2. Step 2: Convert to fraction form
    998,713.56/1,378,319.58 = 546,072.60/x
  3. Step 3: Cross multiply
    998,713.56x = 1,378,319.58 × 546,072.60
  4. Step 4: Simplify right side
    998,713.56x = 752,662,556,681.51
  5. Step 5: Solve for x
    x = 752,662,556,681.51/998,713.56
  6. Step 6: Final answer
    x = 753,632.06

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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.