Home / 1,191,976.76-1,789,088.73-434,550.32

Finding the Fourth Proportional to 1,191,976.76, 1,789,088.73 and 434,550.32

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Solution

The fourth proportional to 1,191,976.76, 1,789,088.73 and 434,550.32 is: 652,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,976.76 : 1,789,088.73 = 434,550.32 : x
  2. Step 2: Convert to fraction form
    1,191,976.76/1,789,088.73 = 434,550.32/x
  3. Step 3: Cross multiply
    1,191,976.76x = 1,789,088.73 × 434,550.32
  4. Step 4: Simplify right side
    1,191,976.76x = 777,449,071,184.45
  5. Step 5: Solve for x
    x = 777,449,071,184.45/1,191,976.76
  6. Step 6: Final answer
    x = 652,235.09

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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.