Home / 406,979.92-561,667.80-237,210.40

Finding the Fourth Proportional to 406,979.92, 561,667.80 and 237,210.40

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Solution

The fourth proportional to 406,979.92, 561,667.80 and 237,210.40 is: 327,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,979.92 : 561,667.80 = 237,210.40 : x
  2. Step 2: Convert to fraction form
    406,979.92/561,667.80 = 237,210.40/x
  3. Step 3: Cross multiply
    406,979.92x = 561,667.80 × 237,210.40
  4. Step 4: Simplify right side
    406,979.92x = 133,233,443,505.12
  5. Step 5: Solve for x
    x = 133,233,443,505.12/406,979.92
  6. Step 6: Final answer
    x = 327,371.05

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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.