Home / 1,661,557.70-2,492,336.55-539,740.10

Finding the Fourth Proportional to 1,661,557.70, 2,492,336.55 and 539,740.10

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Solution

The fourth proportional to 1,661,557.70, 2,492,336.55 and 539,740.10 is: 809,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,557.70 : 2,492,336.55 = 539,740.10 : x
  2. Step 2: Convert to fraction form
    1,661,557.70/2,492,336.55 = 539,740.10/x
  3. Step 3: Cross multiply
    1,661,557.70x = 2,492,336.55 × 539,740.10
  4. Step 4: Simplify right side
    1,661,557.70x = 1,345,213,978,730.65
  5. Step 5: Solve for x
    x = 1,345,213,978,730.65/1,661,557.70
  6. Step 6: Final answer
    x = 809,610.15

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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.