Home / 540,784.48-811,195.56-185,795.92

Finding the Fourth Proportional to 540,784.48, 811,195.56 and 185,795.92

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Solution

The fourth proportional to 540,784.48, 811,195.56 and 185,795.92 is: 278,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,784.48 : 811,195.56 = 185,795.92 : x
  2. Step 2: Convert to fraction form
    540,784.48/811,195.56 = 185,795.92/x
  3. Step 3: Cross multiply
    540,784.48x = 811,195.56 × 185,795.92
  4. Step 4: Simplify right side
    540,784.48x = 150,716,825,370.12
  5. Step 5: Solve for x
    x = 150,716,825,370.12/540,784.48
  6. Step 6: Final answer
    x = 278,700.35

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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.