Home / 425,036.40-586,549.32-231,441.12

Finding the Fourth Proportional to 425,036.40, 586,549.32 and 231,441.12

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Solution

The fourth proportional to 425,036.40, 586,549.32 and 231,441.12 is: 319,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,036.40 : 586,549.32 = 231,441.12 : x
  2. Step 2: Convert to fraction form
    425,036.40/586,549.32 = 231,441.12/x
  3. Step 3: Cross multiply
    425,036.40x = 586,549.32 × 231,441.12
  4. Step 4: Simplify right side
    425,036.40x = 135,751,631,556.04
  5. Step 5: Solve for x
    x = 135,751,631,556.04/425,036.40
  6. Step 6: Final answer
    x = 319,388.25

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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.