Home / 1,184,441.65-1,776,786.93-385,785.40

Finding the Fourth Proportional to 1,184,441.65, 1,776,786.93 and 385,785.40

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Solution

The fourth proportional to 1,184,441.65, 1,776,786.93 and 385,785.40 is: 578,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,441.65 : 1,776,786.93 = 385,785.40 : x
  2. Step 2: Convert to fraction form
    1,184,441.65/1,776,786.93 = 385,785.40/x
  3. Step 3: Cross multiply
    1,184,441.65x = 1,776,786.93 × 385,785.40
  4. Step 4: Simplify right side
    1,184,441.65x = 685,458,456,504.82
  5. Step 5: Solve for x
    x = 685,458,456,504.82/1,184,441.65
  6. Step 6: Final answer
    x = 578,718.64

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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.