Home / 407,177.04-561,904.98-225,888.98

Finding the Fourth Proportional to 407,177.04, 561,904.98 and 225,888.98

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Solution

The fourth proportional to 407,177.04, 561,904.98 and 225,888.98 is: 311,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,177.04 : 561,904.98 = 225,888.98 : x
  2. Step 2: Convert to fraction form
    407,177.04/561,904.98 = 225,888.98/x
  3. Step 3: Cross multiply
    407,177.04x = 561,904.98 × 225,888.98
  4. Step 4: Simplify right side
    407,177.04x = 126,928,142,789.12
  5. Step 5: Solve for x
    x = 126,928,142,789.12/407,177.04
  6. Step 6: Final answer
    x = 311,727.16

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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.