Home / 541,200.80-811,784.46-257,095.84

Finding the Fourth Proportional to 541,200.80, 811,784.46 and 257,095.84

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Solution

The fourth proportional to 541,200.80, 811,784.46 and 257,095.84 is: 385,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,200.80 : 811,784.46 = 257,095.84 : x
  2. Step 2: Convert to fraction form
    541,200.80/811,784.46 = 257,095.84/x
  3. Step 3: Cross multiply
    541,200.80x = 811,784.46 × 257,095.84
  4. Step 4: Simplify right side
    541,200.80x = 208,706,407,642.65
  5. Step 5: Solve for x
    x = 208,706,407,642.65/541,200.80
  6. Step 6: Final answer
    x = 385,635.81

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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.