Home / 1,234,815.62-1,852,285.54-393,432.98

Finding the Fourth Proportional to 1,234,815.62, 1,852,285.54 and 393,432.98

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Solution

The fourth proportional to 1,234,815.62, 1,852,285.54 and 393,432.98 is: 590,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,815.62 : 1,852,285.54 = 393,432.98 : x
  2. Step 2: Convert to fraction form
    1,234,815.62/1,852,285.54 = 393,432.98/x
  3. Step 3: Cross multiply
    1,234,815.62x = 1,852,285.54 × 393,432.98
  4. Step 4: Simplify right side
    1,234,815.62x = 728,750,209,568.10
  5. Step 5: Solve for x
    x = 728,750,209,568.10/1,234,815.62
  6. Step 6: Final answer
    x = 590,169.25

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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.