Home / 406,768.17-561,150.23-255,948.33

Finding the Fourth Proportional to 406,768.17, 561,150.23 and 255,948.33

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Solution

The fourth proportional to 406,768.17, 561,150.23 and 255,948.33 is: 353,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,768.17 : 561,150.23 = 255,948.33 : x
  2. Step 2: Convert to fraction form
    406,768.17/561,150.23 = 255,948.33/x
  3. Step 3: Cross multiply
    406,768.17x = 561,150.23 × 255,948.33
  4. Step 4: Simplify right side
    406,768.17x = 143,625,462,967.87
  5. Step 5: Solve for x
    x = 143,625,462,967.87/406,768.17
  6. Step 6: Final answer
    x = 353,089.24

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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.