Home / 909,079-1,363,815.33-348,113.50

Finding the Fourth Proportional to 909,079, 1,363,815.33 and 348,113.50

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Solution

The fourth proportional to 909,079, 1,363,815.33 and 348,113.50 is: 522,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,079 : 1,363,815.33 = 348,113.50 : x
  2. Step 2: Convert to fraction form
    909,079/1,363,815.33 = 348,113.50/x
  3. Step 3: Cross multiply
    909,079x = 1,363,815.33 × 348,113.50
  4. Step 4: Simplify right side
    909,079x = 474,762,527,879.96
  5. Step 5: Solve for x
    x = 474,762,527,879.96/909,079
  6. Step 6: Final answer
    x = 522,245.62

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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.