Home / 545,359.23-818,412.46-190,373.19

Finding the Fourth Proportional to 545,359.23, 818,412.46 and 190,373.19

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Solution

The fourth proportional to 545,359.23, 818,412.46 and 190,373.19 is: 285,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,359.23 : 818,412.46 = 190,373.19 : x
  2. Step 2: Convert to fraction form
    545,359.23/818,412.46 = 190,373.19/x
  3. Step 3: Cross multiply
    545,359.23x = 818,412.46 × 190,373.19
  4. Step 4: Simplify right side
    545,359.23x = 155,803,789,449.39
  5. Step 5: Solve for x
    x = 155,803,789,449.39/545,359.23
  6. Step 6: Final answer
    x = 285,690.20

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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.