Home / 984,701.64-1,358,888.31-531,992.64

Finding the Fourth Proportional to 984,701.64, 1,358,888.31 and 531,992.64

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Solution

The fourth proportional to 984,701.64, 1,358,888.31 and 531,992.64 is: 734,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,701.64 : 1,358,888.31 = 531,992.64 : x
  2. Step 2: Convert to fraction form
    984,701.64/1,358,888.31 = 531,992.64/x
  3. Step 3: Cross multiply
    984,701.64x = 1,358,888.31 × 531,992.64
  4. Step 4: Simplify right side
    984,701.64x = 722,918,579,502.04
  5. Step 5: Solve for x
    x = 722,918,579,502.04/984,701.64
  6. Step 6: Final answer
    x = 734,149.87

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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.