Home / 406,854.12-561,476.38-225,554.52

Finding the Fourth Proportional to 406,854.12, 561,476.38 and 225,554.52

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Solution

The fourth proportional to 406,854.12, 561,476.38 and 225,554.52 is: 311,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,854.12 : 561,476.38 = 225,554.52 : x
  2. Step 2: Convert to fraction form
    406,854.12/561,476.38 = 225,554.52/x
  3. Step 3: Cross multiply
    406,854.12x = 561,476.38 × 225,554.52
  4. Step 4: Simplify right side
    406,854.12x = 126,643,535,382.24
  5. Step 5: Solve for x
    x = 126,643,535,382.24/406,854.12
  6. Step 6: Final answer
    x = 311,275.05

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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.