Home / 353,427.92-487,482.12-232,530.56

Finding the Fourth Proportional to 353,427.92, 487,482.12 and 232,530.56

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Solution

The fourth proportional to 353,427.92, 487,482.12 and 232,530.56 is: 320,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,427.92 : 487,482.12 = 232,530.56 : x
  2. Step 2: Convert to fraction form
    353,427.92/487,482.12 = 232,530.56/x
  3. Step 3: Cross multiply
    353,427.92x = 487,482.12 × 232,530.56
  4. Step 4: Simplify right side
    353,427.92x = 113,354,490,353.59
  5. Step 5: Solve for x
    x = 113,354,490,353.59/353,427.92
  6. Step 6: Final answer
    x = 320,728.74

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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.