Home / 406,632.32-561,155.90-225,347.23

Finding the Fourth Proportional to 406,632.32, 561,155.90 and 225,347.23

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Solution

The fourth proportional to 406,632.32, 561,155.90 and 225,347.23 is: 310,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,632.32 : 561,155.90 = 225,347.23 : x
  2. Step 2: Convert to fraction form
    406,632.32/561,155.90 = 225,347.23/x
  3. Step 3: Cross multiply
    406,632.32x = 561,155.90 × 225,347.23
  4. Step 4: Simplify right side
    406,632.32x = 126,454,928,505.44
  5. Step 5: Solve for x
    x = 126,454,928,505.44/406,632.32
  6. Step 6: Final answer
    x = 310,981.01

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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.