Home / 540,815.62-811,242.06-185,826.64

Finding the Fourth Proportional to 540,815.62, 811,242.06 and 185,826.64

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Solution

The fourth proportional to 540,815.62, 811,242.06 and 185,826.64 is: 278,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,815.62 : 811,242.06 = 185,826.64 : x
  2. Step 2: Convert to fraction form
    540,815.62/811,242.06 = 185,826.64/x
  3. Step 3: Cross multiply
    540,815.62x = 811,242.06 × 185,826.64
  4. Step 4: Simplify right side
    540,815.62x = 150,750,386,236.48
  5. Step 5: Solve for x
    x = 150,750,386,236.48/540,815.62
  6. Step 6: Final answer
    x = 278,746.36

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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.