Home / 406,795.74-561,440.25-259,684.14

Finding the Fourth Proportional to 406,795.74, 561,440.25 and 259,684.14

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Solution

The fourth proportional to 406,795.74, 561,440.25 and 259,684.14 is: 358,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,795.74 : 561,440.25 = 259,684.14 : x
  2. Step 2: Convert to fraction form
    406,795.74/561,440.25 = 259,684.14/x
  3. Step 3: Cross multiply
    406,795.74x = 561,440.25 × 259,684.14
  4. Step 4: Simplify right side
    406,795.74x = 145,797,128,482.64
  5. Step 5: Solve for x
    x = 145,797,128,482.64/406,795.74
  6. Step 6: Final answer
    x = 358,403.77

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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.