Home / 639,467.26-882,727.59-436,189.18

Finding the Fourth Proportional to 639,467.26, 882,727.59 and 436,189.18

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Solution

The fourth proportional to 639,467.26, 882,727.59 and 436,189.18 is: 602,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,467.26 : 882,727.59 = 436,189.18 : x
  2. Step 2: Convert to fraction form
    639,467.26/882,727.59 = 436,189.18/x
  3. Step 3: Cross multiply
    639,467.26x = 882,727.59 × 436,189.18
  4. Step 4: Simplify right side
    639,467.26x = 385,036,223,645.48
  5. Step 5: Solve for x
    x = 385,036,223,645.48/639,467.26
  6. Step 6: Final answer
    x = 602,120.31

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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.