Home / 1,661,555.20-2,492,332.80-539,737.60

Finding the Fourth Proportional to 1,661,555.20, 2,492,332.80 and 539,737.60

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Solution

The fourth proportional to 1,661,555.20, 2,492,332.80 and 539,737.60 is: 809,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,555.20 : 2,492,332.80 = 539,737.60 : x
  2. Step 2: Convert to fraction form
    1,661,555.20/2,492,332.80 = 539,737.60/x
  3. Step 3: Cross multiply
    1,661,555.20x = 2,492,332.80 × 539,737.60
  4. Step 4: Simplify right side
    1,661,555.20x = 1,345,205,723,873.28
  5. Step 5: Solve for x
    x = 1,345,205,723,873.28/1,661,555.20
  6. Step 6: Final answer
    x = 809,606.40

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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.