Home / 406,800.06-561,389.76-223,055.88

Finding the Fourth Proportional to 406,800.06, 561,389.76 and 223,055.88

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Solution

The fourth proportional to 406,800.06, 561,389.76 and 223,055.88 is: 307,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,800.06 : 561,389.76 = 223,055.88 : x
  2. Step 2: Convert to fraction form
    406,800.06/561,389.76 = 223,055.88/x
  3. Step 3: Cross multiply
    406,800.06x = 561,389.76 × 223,055.88
  4. Step 4: Simplify right side
    406,800.06x = 125,221,286,939.79
  5. Step 5: Solve for x
    x = 125,221,286,939.79/406,800.06
  6. Step 6: Final answer
    x = 307,820.23

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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.