Home / 1,661,541.70-2,492,312.55-539,724.10

Finding the Fourth Proportional to 1,661,541.70, 2,492,312.55 and 539,724.10

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Solution

The fourth proportional to 1,661,541.70, 2,492,312.55 and 539,724.10 is: 809,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,541.70 : 2,492,312.55 = 539,724.10 : x
  2. Step 2: Convert to fraction form
    1,661,541.70/2,492,312.55 = 539,724.10/x
  3. Step 3: Cross multiply
    1,661,541.70x = 2,492,312.55 × 539,724.10
  4. Step 4: Simplify right side
    1,661,541.70x = 1,345,161,147,967.45
  5. Step 5: Solve for x
    x = 1,345,161,147,967.45/1,661,541.70
  6. Step 6: Final answer
    x = 809,586.15

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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.