Home / 716,527.04-988,786.93-394,237.36

Finding the Fourth Proportional to 716,527.04, 988,786.93 and 394,237.36

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Solution

The fourth proportional to 716,527.04, 988,786.93 and 394,237.36 is: 544,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,527.04 : 988,786.93 = 394,237.36 : x
  2. Step 2: Convert to fraction form
    716,527.04/988,786.93 = 394,237.36/x
  3. Step 3: Cross multiply
    716,527.04x = 988,786.93 × 394,237.36
  4. Step 4: Simplify right side
    716,527.04x = 389,816,741,970.58
  5. Step 5: Solve for x
    x = 389,816,741,970.58/716,527.04
  6. Step 6: Final answer
    x = 544,036.33

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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.