Home / 856,470.51-1,181,878.09-474,469.65

Finding the Fourth Proportional to 856,470.51, 1,181,878.09 and 474,469.65

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Solution

The fourth proportional to 856,470.51, 1,181,878.09 and 474,469.65 is: 654,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,470.51 : 1,181,878.09 = 474,469.65 : x
  2. Step 2: Convert to fraction form
    856,470.51/1,181,878.09 = 474,469.65/x
  3. Step 3: Cross multiply
    856,470.51x = 1,181,878.09 × 474,469.65
  4. Step 4: Simplify right side
    856,470.51x = 560,765,282,518.79
  5. Step 5: Solve for x
    x = 560,765,282,518.79/856,470.51
  6. Step 6: Final answer
    x = 654,739.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.