Home / 540,739.08-811,301.40-241,192.80

Finding the Fourth Proportional to 540,739.08, 811,301.40 and 241,192.80

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Solution

The fourth proportional to 540,739.08, 811,301.40 and 241,192.80 is: 361,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,739.08 : 811,301.40 = 241,192.80 : x
  2. Step 2: Convert to fraction form
    540,739.08/811,301.40 = 241,192.80/x
  3. Step 3: Cross multiply
    540,739.08x = 811,301.40 × 241,192.80
  4. Step 4: Simplify right side
    540,739.08x = 195,680,056,309.92
  5. Step 5: Solve for x
    x = 195,680,056,309.92/540,739.08
  6. Step 6: Final answer
    x = 361,875.19

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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.