Home / 540,983.09-811,548.50-225,366.19

Finding the Fourth Proportional to 540,983.09, 811,548.50 and 225,366.19

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Solution

The fourth proportional to 540,983.09, 811,548.50 and 225,366.19 is: 338,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,983.09 : 811,548.50 = 225,366.19 : x
  2. Step 2: Convert to fraction form
    540,983.09/811,548.50 = 225,366.19/x
  3. Step 3: Cross multiply
    540,983.09x = 811,548.50 × 225,366.19
  4. Step 4: Simplify right side
    540,983.09x = 182,895,590,289.51
  5. Step 5: Solve for x
    x = 182,895,590,289.51/540,983.09
  6. Step 6: Final answer
    x = 338,080.05

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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.