Home / 540,789.48-811,203.04-185,800.90

Finding the Fourth Proportional to 540,789.48, 811,203.04 and 185,800.90

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Solution

The fourth proportional to 540,789.48, 811,203.04 and 185,800.90 is: 278,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,789.48 : 811,203.04 = 185,800.90 : x
  2. Step 2: Convert to fraction form
    540,789.48/811,203.04 = 185,800.90/x
  3. Step 3: Cross multiply
    540,789.48x = 811,203.04 × 185,800.90
  4. Step 4: Simplify right side
    540,789.48x = 150,722,254,914.74
  5. Step 5: Solve for x
    x = 150,722,254,914.74/540,789.48
  6. Step 6: Final answer
    x = 278,707.82

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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.