Home / 547,986.42-821,979.77-358,606.26

Finding the Fourth Proportional to 547,986.42, 821,979.77 and 358,606.26

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Solution

The fourth proportional to 547,986.42, 821,979.77 and 358,606.26 is: 537,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,986.42 : 821,979.77 = 358,606.26 : x
  2. Step 2: Convert to fraction form
    547,986.42/821,979.77 = 358,606.26/x
  3. Step 3: Cross multiply
    547,986.42x = 821,979.77 × 358,606.26
  4. Step 4: Simplify right side
    547,986.42x = 294,767,089,322.33
  5. Step 5: Solve for x
    x = 294,767,089,322.33/547,986.42
  6. Step 6: Final answer
    x = 537,909.48

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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.