Home / 406,603.23-561,115.76-225,318.19

Finding the Fourth Proportional to 406,603.23, 561,115.76 and 225,318.19

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Solution

The fourth proportional to 406,603.23, 561,115.76 and 225,318.19 is: 310,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,603.23 : 561,115.76 = 225,318.19 : x
  2. Step 2: Convert to fraction form
    406,603.23/561,115.76 = 225,318.19/x
  3. Step 3: Cross multiply
    406,603.23x = 561,115.76 × 225,318.19
  4. Step 4: Simplify right side
    406,603.23x = 126,429,585,946.39
  5. Step 5: Solve for x
    x = 126,429,585,946.39/406,603.23
  6. Step 6: Final answer
    x = 310,940.93

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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.