Home / 985,629.05-1,360,086.35-556,014.77

Finding the Fourth Proportional to 985,629.05, 1,360,086.35 and 556,014.77

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Solution

The fourth proportional to 985,629.05, 1,360,086.35 and 556,014.77 is: 767,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,629.05 : 1,360,086.35 = 556,014.77 : x
  2. Step 2: Convert to fraction form
    985,629.05/1,360,086.35 = 556,014.77/x
  3. Step 3: Cross multiply
    985,629.05x = 1,360,086.35 × 556,014.77
  4. Step 4: Simplify right side
    985,629.05x = 756,228,089,494.88
  5. Step 5: Solve for x
    x = 756,228,089,494.88/985,629.05
  6. Step 6: Final answer
    x = 767,254.27

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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.