Home / 1,190,976.84-1,785,460.91-516,550.20

Finding the Fourth Proportional to 1,190,976.84, 1,785,460.91 and 516,550.20

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Solution

The fourth proportional to 1,190,976.84, 1,785,460.91 and 516,550.20 is: 774,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,976.84 : 1,785,460.91 = 516,550.20 : x
  2. Step 2: Convert to fraction form
    1,190,976.84/1,785,460.91 = 516,550.20/x
  3. Step 3: Cross multiply
    1,190,976.84x = 1,785,460.91 × 516,550.20
  4. Step 4: Simplify right side
    1,190,976.84x = 922,280,178,642.63
  5. Step 5: Solve for x
    x = 922,280,178,642.63/1,190,976.84
  6. Step 6: Final answer
    x = 774,389.69

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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.