Home / 413,085.41-570,242.78-252,004.65

Finding the Fourth Proportional to 413,085.41, 570,242.78 and 252,004.65

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Solution

The fourth proportional to 413,085.41, 570,242.78 and 252,004.65 is: 347,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,085.41 : 570,242.78 = 252,004.65 : x
  2. Step 2: Convert to fraction form
    413,085.41/570,242.78 = 252,004.65/x
  3. Step 3: Cross multiply
    413,085.41x = 570,242.78 × 252,004.65
  4. Step 4: Simplify right side
    413,085.41x = 143,703,830,928.90
  5. Step 5: Solve for x
    x = 143,703,830,928.90/413,085.41
  6. Step 6: Final answer
    x = 347,879.23

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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.