Home / 1,289,005.60-1,934,199.60-541,127.20

Finding the Fourth Proportional to 1,289,005.60, 1,934,199.60 and 541,127.20

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Solution

The fourth proportional to 1,289,005.60, 1,934,199.60 and 541,127.20 is: 811,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,005.60 : 1,934,199.60 = 541,127.20 : x
  2. Step 2: Convert to fraction form
    1,289,005.60/1,934,199.60 = 541,127.20/x
  3. Step 3: Cross multiply
    1,289,005.60x = 1,934,199.60 × 541,127.20
  4. Step 4: Simplify right side
    1,289,005.60x = 1,046,648,013,789.12
  5. Step 5: Solve for x
    x = 1,046,648,013,789.12/1,289,005.60
  6. Step 6: Final answer
    x = 811,980.97

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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.