Home / 1,209,957.45-1,816,057.69-611,339.32

Finding the Fourth Proportional to 1,209,957.45, 1,816,057.69 and 611,339.32

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Solution

The fourth proportional to 1,209,957.45, 1,816,057.69 and 611,339.32 is: 917,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,957.45 : 1,816,057.69 = 611,339.32 : x
  2. Step 2: Convert to fraction form
    1,209,957.45/1,816,057.69 = 611,339.32/x
  3. Step 3: Cross multiply
    1,209,957.45x = 1,816,057.69 × 611,339.32
  4. Step 4: Simplify right side
    1,209,957.45x = 1,110,227,473,285.37
  5. Step 5: Solve for x
    x = 1,110,227,473,285.37/1,209,957.45
  6. Step 6: Final answer
    x = 917,575.64

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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.